Get one line from file

Hey,

I have a problem with extracting information from a textfile. The information I need is only on one line. I know which line it is, but how can I read it from the textfile easily? I've allready considered the command 'fgets', but this only takes the first line of the file, right?.

Answer 1

[Walter Roberson]

For further certainty: neither fgets() nor fgetl() have any mechanism for positioning to a particular line. Something has to specifically count the lines.

A short-cut is to use

textscan(fid, '%[^\n]', 1, 'HeaderLines', N)

this will do the counting for you.

Answer 2

[Jennifer]

Try using something like:

load file.txt
% Create variable
% edit number of rows as needed 
var= file(1:10,1);

In the example above we are reading the first 10 rows or column 1.

Hope this helps

Answer 3

[Robert Cumming]

or you could use

fid = fopen ( 'file.txt' )
if fid ~= -1
  for i=1:NUMBER_OF_LINES_TO_SKIP
    fgetl ( fid );
  end
  yourLine = fgetl ( fid );
  fclose ( fid );
end

Answer 4

[bart]

Thanks for answering the question! I never expected to get an answer so quickly! greets, Bart

Answer 5

[bart]

OK, thanks.