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Re: Returning status to parent from pipe

by Crackers2 (Parson)
on Aug 25, 2010 at 20:53 UTC ( #857295=note: print w/replies, xml ) Need Help??

in reply to Returning status to parent from pipe

If you're using the bash shell something like this might work:

if (fork()){ } else { exec 'com1 | com2; exit $PIPESTATUS[0]'; }

You can read more about this in the bash manual.

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Re^2: Returning status to parent from pipe
by morrin (Novice) on Aug 25, 2010 at 21:11 UTC
    Thanks for the replies I had read about the PIPESTATUS variable in bash ..... for some reason I thought that a perl exec would always run in 'sh'. It does on my system. Apologies if this is a very basic question, but can I change that so that it does run in a bash shell?
      On my system, /bin/sh runs bash. But you could specify which shell you want.
      exec(bash => (-c => 'com1 | com2; exit $PIPESTATUS[0]'));

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[stevieb]: How do you mean?
[1nickt]: They assume that I want things I don;t and don;t provide things I do want. Looking for a 17" laptop with 4k (even 3K display) and full numeric-pad keyboard.
[1nickt]: They assume that if I want a 17" monitor I could not possibly want 4k screen
[1nickt]: They assume I do not need a DVD drive
[1nickt]: Heh, or they assume that if I want all that I am a "gamer" and I must want red backlighting for the keyboards and that I will pay $3500 ...
[stevieb]: what is your budget? HP 17" 4k display, DVD writer, full numeric keypad
[stevieb]: $1500 USD

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