MATLAB: Call Matlab Script From Command Line and then Exit Matlab Process

command linetask schedulerwindows batch

I tried to schedule a Matlab code called "DailyProcess.m" using Windows Task Scheduler. Below is the batch file:

matlab -r "run C:\Code\DailyProcess.m;" -logfile "C:\Log\log.txt"

The whole process runs fine. The problem is that it leaves Matlab open at the background after the process is done (I can see that matlab process from Windows Task Manager taking 0 CPU and some memory).

If I put an "exit" syntax in the batch line this:

matlab -r "run C:\Code\DailyProcess.m;exit" -logfile "C:\Log\log.txt"

it will still run the script, but it won't output the log file since Matlab already exits before it can write the log file.

Any idea on how to run the script, output the log, and then exit the process?

Thanks a lot in advance.

Best Answer

The answer, as it turned out, is to simply put "exit" inside the script...

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MATLAB: Batch Files and Matlab: Sequential execution and “start \wait”

%http://www.mathworks.com/help/techdoc/ref/system.html

function_CALLER

%Ensure there is only one copy of matlab running in the machine before you
%start...
clc;
status = false;
nInstances = inf;
while(~status)
      [mem sV] = memory;
      display(['The max possible array size due to RAM is : ' ...
          num2str(round(mem.MaxPossibleArrayBytes/(1024*1024)))  ' MB'])
      [status,result] = system('matlabBatchScript.bat','-echo'); 
      while(nInstances > 1)
          [status1,result1] = system('tasklist /FI "imagename eq matlab.exe" /fo table /nh');
          nInstances = numel(strfind(result1, 'MATLAB.exe'));
          pause(1);
      end
end
end

MATLAB: Disable the Formatting Syntax in a Text Log File

You can try the undocumented switch

feature('HotLinks', 'off');

Another idea is to clean the logfile afterwards.

I do not use the output to the command line for logging, but forward every message, which should appear in the logs to a dedicated function, which write copies to the command line and to a file.

Best Answer

Related Solutions

MATLAB: Batch Files and Matlab: Sequential execution and “start \wait”

MATLAB: Disable the Formatting Syntax in a Text Log File

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