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Re^5: passing env{} variable to child fails on linux,works on windows

by andal (Friar)
on Jan 14, 2013 at 09:19 UTC ( #1013173=note: print w/ replies, xml ) Need Help??

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    Currently, on all platforms except MSWin32, all system calls (e.g., us
    +ing system() or back-ticks) made from threads use the environment var
    +iable settings from the main thread. In other words, changes made to 
    +%ENV in a thread will not be visible in system calls made by that thr
    +ead.
    
    ...
        system("FOO=$msg; echo \$FOO"); # Outputs 'hello' to STDOUT
    
    On MSWin32, each thread maintains its own set of environment variables
    +.
    

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