Re^5: how to kill background process when script exit?

Sorry, but you are mistaken.

$ perl -E'
   say "".localtime;
   open my $fh, q{perl -e sleep |};
   say "".localtime;
'
Sun Feb 20 13:25:05 2011
Sun Feb 20 13:25:05 2011
[hung waiting for child to exit]
[download]

or how about

$ perl -E'
   open my $fh, q{perl -E'\''sleep 1; say STDERR "C"'\'' |};
   say "P";
'
P
C
[download]

Comment on Re^5: how to kill background process when script exit? Select or Download Code

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Re^6: how to kill background process when script exit? by Allasso (Monk) on Feb 20, 2011 at 23:55 UTC
interesting...I agree with you (see my last reply to Corion), but when I run your second script I get this (no fooling): `perl -e ' open my $fh, q{perl -e '\''sleep 1; print STDERR "C"'\'' \|}; print "P"; ' CP` [download] (I couldn't use 'say', you must have a later version of perl than I?)	[reply] [d/l]
Re^7: how to kill background process when script exit? by ikegami (Patriarch) on Feb 21, 2011 at 01:05 UTC
`say` was introduced 4 years ago in 5.10. Buffering is delaying when you see the output.	[reply] [d/l]