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Re^3: multi-command sytem call

by edan (Curate)
on Aug 25, 2004 at 06:56 UTC ( [id://385603]=note: print w/replies, xml ) Need Help??

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  1. or download this
    my $pid1 = open( my $fh1, '|-');
    if ( $pid1 == 0 )
    ...
    print "parent sez: pid $dead_pid exited with status $?\n";
    $dead_pid = waitpid $pid2, 0;
    print "parent sez: pid $dead_pid exited with status $?\n";
    
  2. or download this
    child1 sez: 19628 forked, now exec()ing false!!
    child2 sez: 19629 forked, now exec()ing true!!
    Hi, I'm the parent, and I'm going to wait for pid1=(19628) and pid2=(1
    +9629)!
    parent sez: pid 19628 exited with status 256
    parent sez: pid 19629 exited with status 0
    

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