in reply to print if // line number?
What you said it does, in case that's what you want:
perl -ne'print "$.\t$_" if /GRHL3/'
What it actually does (only the second field is checked for the pattern):
perl -ane'print "$.\t$_" if $F[1] =~ /GRHL3/'
$. is in perlvar, and -n and -a are in perlrun.
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Re^2: print if // line number?
by ZWcarp (Beadle) on Jun 08, 2011 at 00:52 UTC |