MacPorts commands from MATLAB prompt

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You can add this code to startup.m

In particular this is useful to run imagemagick commands like convert or mogrify. Note you need to update DYLD_LIBRARY_PATH not LD_LIBRARY_PATH or the libtiff shipped with Matlab will cause a conflict ("Incompatible library version") 


if ismac
    % add to shell path so we can find MacPorts commands
    if isempty(strfind(getenv('PATH'), 'opt'))
        setenv('PATH', ['/opt/local/bin:/opt/local/sbin:' getenv('PATH')]);
    end
    if isempty(strfind(getenv('DYLD_LIBRARY_PATH'), 'opt'))    
        setenv('DYLD_LIBRARY_PATH', ...
               ['/opt/local/lib:' getenv('DYLD_LIBRARY_PATH')]);
    end
end


keywords: matlab convert mogrify shell imagemagick library ld dyld LD_LIBRARY_PATH DYLD_LIBRARY_PATH

(one error follows) 

>> !convert
dyld: Library not loaded: /opt/local/lib/libtiff.3.dylib
  Referenced from: /opt/local/bin/convert
  Reason: Incompatible library version: convert requires version 12.0.0 or later, but libtiff.3.dylib provides version 11.0.0
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