system

Execute system command on device

Syntax

system(device,command)

system(device,command,'sudo')

response = system(___)

Description

system(device,command) runs a command in the Linux^® command shell on the ROS or ROS 2 device. This function does not allow you to run interactive commands.

system(device,command,'sudo') runs a command with superuser privileges.

response = system(___) runs a command using any of the previous syntaxes with the command shell output returned in response.

Examples

Run Linux Commands on ROS Device

Connect to a ROS device and run commands on the Linux(R) command shell.

Connect to a ROS device. Specify the device address, user name, and password of your ROS device.

d = rosdevice('192.168.17.128','user','password');

Run a command that lists the contents of the Catkin workspace folder.

system(d,'ls /home/user/catkin_ws_test')

ans = 
    'build
     devel
     src
     '

Input Arguments

device — ROS or ROS 2 device

rosdevice object | ros2device object

ROS or ROS 2 device, specified as a rosdevice or ros2device object, respectively.

command — Linux command

character vector

Linux command, specified as a character vector.

Example: 'ls -al'

Output Arguments

response — Output from Linux shell

character vector

Output from Linux shell, returned as a character vector.

Version History

Introduced in R2019b