Matlab: How to use javaaddpath dynamically

Question

I want to use javaaddpath with different path to be added on my linux and window computer.

However, I want it to be true dynamic allocation. In other words, user can define his/her own Path_Str = ' ....../ParforProgMonv2/java' and pass it at this step: pctRunOnAll javaaddpath (Path_Str)

After opening matlab pool, I want to do something like this:

if strcmp(MonitorProcess, 'Yes') %add this line for progress monitor pctRunOnAll javaaddpath ('/home/dkumar/ParforProgMonv2/java') end

However, rather than fixed path '/home/dkumar/ParforProgMonv2/java', I would like to include dynamic path chosen between

'/home/dkumar/ParforProgMonv2/java' or 'C:/Users/DK_GS/ParforProgMonv2/java'

depending on whether it's my window computer or linux.

I tried to follow this solution using ClassPathHacker.java; however, did not understand it.

Some help would be appreciated.

sco1 · Accepted Answer · 2015-05-15 12:33:12Z

Would something like this work?

searchpath = 'ParforProgMonv2/java'; % Directory to search for if strcmp(MonitorProcess, 'Yes') switch computer case {'PCWIN', 'PCWIN64'} % 32 or 64 bit Windows % Use the system command to return all directories found on the machine % that match your search directory. Use a regex to clean up the list [~, cmdout] = system(['dir /s/b/AD | find "' searchstr '"'); allpaths = regexp(cmdout, '(.:\\[\w\-\\. ]+\w+(?=\s))', 'match'); % Split directory names, 1st cell should be the top level pctRunOnAll javaaddpath (allpaths{1}) case 'GLNXA64' % Linux pctRunOnAll javaaddpath ('/home/dkumar/ParforProgMonv2/java') otherwise % Insert error handling here end end

Where computer returns a string specifying the computer type that is currently running.

EDIT: Per your comment I would recommend adding in a method to search for your filepath and return a string. I've added a sample for Windows; I'm not familiar enough with Linux to translate properly.

Though it would work, I want it to be true dynamic allocation. In other words, user can define his/her own Path_Str = ' ....../ParforProgMonv2/java' and pass it at this step: pctRunOnAll javaaddpath (Path_Str)
Well that's not what you asked ;) I've updated my answer with a sample for Windows but I'm not able to test it to ensure it functions properly
Thanks for providing elegant solution. I modified my question as well.

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