write

Write logs to rosbag log file

Since R2021b

Syntax

write(bagwriter,topic,timestamp,message)

Description

write(bagwriter,topic,timestamp,message) writes a single or multiple logs to a rosbag log file. A log contains a topic, its corresponding timestamp, and a ROS message.

example

Examples

collapse all

Write Log to rosbag File Using `rosbagwriter` Object

Open Live Script

Retrieve all the information from the rosbag log file.

rosbag('info','path_record.bag')

Path:     /tmp/Bdoc25b_3168145_249220/tp23493ac2/ros-ex73035957/path_record.bag
Version:  2.0
Duration: 10.5s
Start:    Jul 05 2021 08:09:52.86 (1625486992.86)
End:      Jul 05 2021 08:10:03.40 (1625487003.40)
Size:     13.3 KB
Messages: 102
Types:    geometry_msgs/Point [4a842b65f413084dc2b10fb484ea7f17]
Topics:   /circle  51 msgs  : geometry_msgs/Point
          /line    51 msgs  : geometry_msgs/Point

Create a rosbagreader object of all the messages in the rosbag log file.

reader = rosbagreader('path_record.bag');

Select all the messages related to the topic '/circle'.

bagSelCircle = select(reader,'Topic','/circle');

Retrieve the list of timestamps from the topic.

timeStamps = bagSelCircle.MessageList.Time;

Retrieve the messages in the selection as a cell array.

messages = readMessages(bagSelCircle);

Create a rosbagwriter object to write the messages to a new rosbag file.

circleWriter = rosbagwriter('circular_path_record.bag');

Write all the messages related to the topic '/circle' to the new rosbag file.

write(circleWriter,'/circle',timeStamps,messages);

Remove the rosbagwriter object from memory and clear the associated object.

delete(circleWriter)
clear circleWriter

Retrieve all the information from the new rosbag log file.

rosbag('info','circular_path_record.bag')

Path:     /tmp/Bdoc25b_3168145_249220/tp23493ac2/ros-ex73035957/circular_path_record.bag
Version:  2.0
Duration: 10.4s
Start:    Jul 05 2021 08:09:52.86 (1625486992.86)
End:      Jul 05 2021 08:10:03.29 (1625487003.29)
Size:     8.8 KB
Messages: 51
Types:    geometry_msgs/Point [4a842b65f413084dc2b10fb484ea7f17]
Topics:   /circle  51 msgs  : geometry_msgs/Point

Load the new rosbag log file.

readerCircle = rosbagreader('circular_path_record.bag');

Create a time series for the coordinates.

tsCircle = timeseries(readerCircle,'X','Y');

Plot the coordinates.

plot(tsCircle.Data(:,1),tsCircle.Data(:,2))
axis equal

Figure contains an axes object. The axes object contains an object of type line.

Create rosbag File Using `rosbagwriter` Object

Open Live Script

Create a rosbagwriter object and a rosbag file in the current working directory. Specify the compression format of the message chunks and the size of each message chunk.

bagwriter = rosbagwriter("bagfile.bag", ...
    "Compression","lz4",...
    "ChunkSize",1500)

bagwriter = 
  rosbagwriter with properties:

       FilePath: '/tmp/Bdoc25b_3168145_246662/tpcee1424d/ros-ex26181333/bagfile.bag'         
      StartTime: 0                                                                           
        EndTime: 0                                                                           
    NumMessages: 0                                                                           
    Compression: 'lz4'                                                                       
      ChunkSize: 1500                                                                   Bytes
       FileSize: 4117                                                                   Bytes

Start node and connect to ROS master.

rosinit

Launching ROS Core...
Status before launching ros core :0
result before launching ros core:     891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315431 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315433 pts/0    S+     0:00 grep -E ros|python

Done in 0.46467 seconds.
* Inside getProcessPID function *
Process Name: /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
Status before getting PID :0
Result before getting PID :    891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
 315448 pts/0    Sl     0:00 python3 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1/bin/rosmaster --core -p 56633 -w 3
 315456 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315458 pts/0    S+     0:00 grep -E ros|python

Result:  315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3

Status: 0
PID obtained: 315436
Status after getting PID :0
Result after getting PID :    891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
 315448 pts/0    Sl     0:00 python3 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1/bin/rosmaster --core -p 56633 -w 3
 315463 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315465 pts/0    S+     0:00 grep -E ros|python

* Exiting getProcessPID function *
Status after launching ros core :0
result after launching ros core:     891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
 315448 pts/0    Sl     0:00 python3 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1/bin/rosmaster --core -p 56633 -w 3
 315466 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315468 pts/0    S+     0:00 grep -E ros|python

Status before deleting node :0
Result before deleting node :    891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
 315448 pts/0    Sl     0:00 python3 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1/bin/rosmaster --core -p 56633 -w 3
 315469 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 714 -1 -mvmOutputPipe -1 774
 315484 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315486 pts/0    S+     0:00 grep -E ros|python

Status after deleting node :0
Result after deleting node :    891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
 315448 pts/0    Sl     0:00 python3 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1/bin/rosmaster --core -p 56633 -w 3
 315490 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315492 pts/0    S+     0:00 grep -E ros|python

Initializing ROS master on http://172.23.81.150:56633.
Initializing global node /matlab_global_node_14938 with NodeURI http://dcc3872200glnxa64:35209/ and MasterURI http://localhost:56633.

Write a single log to the rosbag file.

timeStamp = rostime("now");
rosMessage = rosmessage("nav_msgs/Odometry");
write(bagwriter,"/odom",timeStamp,rosMessage);
bagwriter

bagwriter = 
  rosbagwriter with properties:

       FilePath: '/tmp/Bdoc25b_3168145_246662/tpcee1424d/ros-ex26181333/bagfile.bag'         
      StartTime: 1.7715e+09                                                                  
        EndTime: 1.7715e+09                                                                  
    NumMessages: 1                                                                           
    Compression: 'lz4'                                                                       
      ChunkSize: 1500                                                                   Bytes
       FileSize: 4172                                                                   Bytes

Shut down the ROS network.

rosshutdown

Shutting down global node /matlab_global_node_14938 with NodeURI http://dcc3872200glnxa64:35209/ and MasterURI http://localhost:56633.
Status before deleting node :0
Result before deleting node :    891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
 315448 pts/0    Sl     0:00 python3 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1/bin/rosmaster --core -p 56633 -w 3
 315493 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 571 -1 -mvmOutputPipe -1 774
 315509 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315511 pts/0    R+     0:00 grep -E ros|python

Status after deleting node :0
Result after deleting node :    891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
 315448 pts/0    Sl     0:00 python3 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1/bin/rosmaster --core -p 56633 -w 3
 315515 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315517 pts/0    S+     0:00 grep -E ros|python

Shutting down ROS master on http://172.23.81.150:56633.
Status before deleting core :0
Result before deleting core :    891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315436 pts/0    S      0:00 bash /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/mlroscpp/util/+ros/+internal/runroscmd.sh   /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1 /tmp/Bdoc25b_3168145_246662/tpfd67e44c_10ab_4db2_afff_009b47906e65/ros1/glnxa64/venv /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/bin/glnxa64 rosmaster --core -p 56633 -w 3
 315448 pts/0    Sl     0:00 python3 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/sys/ros1/glnxa64/ros1/bin/rosmaster --core -p 56633 -w 3
 315518 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315520 pts/0    S+     0:00 grep -E ros|python

* Inside killProcessByPID function *
PID of core to be killed: 315436
Status after Child Process Killed: 0
Result after Child Process Killed: 
Status after deleting core :0
Result after deleting core :    891 ?        Ssl   10:52 /usr/bin/python3 /usr/bin/mta-sts-daemon --config /etc/mta-sts-daemon.yml
   1174 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
 312947 ?        Ss     0:00 /bin/sh /usr/bin/xvfb-run -a -s -screen 0 1280x1024x24 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312977 ?        S      0:00 /bin/sh -c export TMPDIR=/tmp/Bdoc25b_3168145_246662 COMPONENT=examples/ros ;   cd /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/matlab/examples/ros ; //mathworks/hub/bat/common/bin/mw   sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 312991 ?        S      0:00 sh ../../tools/build_using_mlpath/mlenv --use-scoped-paths 1 --scoped-cppms-file /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4/scoped_cppms_modules.txt --scoped-cppms-envvar MW_SCOPED_CPPMICROSERVICES_MODULES --tag bml --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --paths /mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MATLAB_LOG_DIR=/mathworks/devel/bat/Bdoc25b/logs/3168145/build.glnxa64.3168145.r009/examples/ros/build.glnxa64.3168145.r009.bml.e755ebeb090542afd4ae92ad7e709ce4 MAKEFLAGS= DISPLAY=:0 MESA_BACK_BUFFER=Pixmap perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 313042 ?        S      0:00 perl ../../tools/build_using_matlab/mlrun --verbose --runnable /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab --display mwtools.liveCodeToDocbook ../../derived/glnxa64/examples/ros/mlx_to_docbook2.txt ../../derived/glnxa64/examples/ros examples/ros ../../help/examples/ros/glnxa64 //mathworks/hub/3rdparty/R2021a/6299939/glnxa64/pngquant 1
 314626 ?        Sl     0:00 /mathworks/devel/bat/filer/batfs2566-0/Bdoc25b.3168145/build/runnable/matlab/toolbox/ros/bin/glnxa64/libmwros1server -mvmInputPipe 596 -1 -mvmOutputPipe -1 603
 315525 pts/0    S+     0:00 /bin/bash -c ps ax | grep -E 'ros|python'
 315527 pts/0    S+     0:00 grep -E ros|python

* Exiting killProcessByPID function *

Remove rosbag writer object from memory and clear the associated object.

delete(bagwriter)
clear bagwriter

Create a rosbagreader object and load all the messages in the rosbag log file. Verify the recently written log.

bagreader = rosbagreader('bagfile.bag')

bagreader = 
  rosbagreader with properties:

           FilePath: '/tmp/Bdoc25b_3168145_246662/tpcee1424d/ros-ex26181333/bagfile.bag'
          StartTime: 1.7715e+09
            EndTime: 1.7715e+09
        NumMessages: 1
    AvailableTopics: [1×3 table]
    AvailableFrames: {0×1 cell}
        MessageList: [1×4 table]

bagreader.AvailableTopics

ans=1×3 table
             NumMessages       MessageType                                                                                                                                                                                                                                                                                                           MessageDefinition                                                                                                                                                                                                                                                                                                     
             ___________    _________________    __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

    /odom         1         nav_msgs/Odometry    {'std_msgs/Header Header↵  uint32 Seq↵  Time Stamp↵  char FrameId↵char ChildFrameId↵geometry_msgs/PoseWithCovariance Pose↵  geometry_msgs/Pose Pose↵    geometry_msgs/Point Position↵      double X↵      double Y↵      double Z↵    geometry_msgs/Quaternion Orientation↵      double X↵      double Y↵      double Z↵      double W↵  double[36] Covariance↵geometry_msgs/TwistWithCovariance Twist↵  geometry_msgs/Twist Twist↵    geometry_msgs/Vector3 Linear↵      double X↵      double Y↵      double Z↵    geometry_msgs/Vector3 Angular↵      double X↵      double Y↵      double Z↵  double[36] Covariance↵'}

Input Arguments

collapse all

`bagwriter` — ROS log file writer
`rosbagwriter` object

ROS log file writer, specified as a rosbagwriter object.

`topic` — ROS topic name
string scalar | character vector | cell array of string scalars | cell array of character vectors

ROS topic name, specified as a string scalar, character vector, cell array of string scalars, or cell array of character vectors. Specify multiple topic names by using a cell array.

Example: "/odom"

Example: {"/odom","cmd_vel"}

`timestamp` — Timestamp of ROS message
`Time` object handle | numeric scalar | structure | cell array of `Time` object handles | cell array of numeric scalars | cell array of structures

Timestamp of the ROS message, specified as a Time object handle, numeric scalar, structure, cell array of Time object handles, cell array of numeric scalars, or cell array of structures. Specify multiple timestamps by using a cell array. Create a Time object using rostime.

Example: 1625559291

Example: rostime("now")

Example: rostime("now","DataFormat","struct")

Example: {1625559291,1625559292}

Example: {rostime("now"),rostime("now")+1}

`message` — ROS message
`Message` object handle | structure | cell array of `Message` object handles | cell array of structures

ROS message, specified as a Message object handle, structure, cell array of Message object handles, or cell array of structures. Specify multiple messages by using a cell array. Create a Message object using rosmessage.

Example: rosmessage("nav_msgs/Odometry")

Example: rosmessage("nav_msgs/Odometry","DataFormat","struct")

Example: {rosmessage("nav_msgs/Odometry"),rosmessage("geometry_msgs/Twist")}

Version History

Introduced in R2021b

write

Syntax

Description

Examples

Write Log to rosbag File Using `rosbagwriter` Object

Create rosbag File Using `rosbagwriter` Object

Input Arguments

`bagwriter` — ROS log file writer
`rosbagwriter` object

`topic` — ROS topic name
string scalar | character vector | cell array of string scalars | cell array of character vectors

`timestamp` — Timestamp of ROS message
`Time` object handle | numeric scalar | structure | cell array of `Time` object handles | cell array of numeric scalars | cell array of structures

`message` — ROS message
`Message` object handle | structure | cell array of `Message` object handles | cell array of structures

Version History

See Also

Objects

Functions

write

Syntax

Description

Examples

Write Log to rosbag File Using rosbagwriter Object

Create rosbag File Using rosbagwriter Object

Input Arguments

bagwriter — ROS log file writer rosbagwriter object

topic — ROS topic name string scalar | character vector | cell array of string scalars | cell array of character vectors

timestamp — Timestamp of ROS message Time object handle | numeric scalar | structure | cell array of Time object handles | cell array of numeric scalars | cell array of structures

message — ROS message Message object handle | structure | cell array of Message object handles | cell array of structures

Version History

See Also

Objects

Functions

Write Log to rosbag File Using `rosbagwriter` Object

Create rosbag File Using `rosbagwriter` Object

`bagwriter` — ROS log file writer
`rosbagwriter` object

`topic` — ROS topic name
string scalar | character vector | cell array of string scalars | cell array of character vectors

`timestamp` — Timestamp of ROS message
`Time` object handle | numeric scalar | structure | cell array of `Time` object handles | cell array of numeric scalars | cell array of structures

`message` — ROS message
`Message` object handle | structure | cell array of `Message` object handles | cell array of structures