The "piped open" (See perlopentut) returns the pid of the child process.

See also Re^5: question about running a system and a perl function background in this thread for an example of use.

Examine what is said, not who speaks.        The end of an era!
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In reply to Re^4: question about running a system and a perl function background by BrowserUk
in thread question about running a system and a perl function background by Anonymous Monk

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