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Re^3: Printing line before matching expression

by jaredor (Priest)
on Sep 11, 2013 at 18:56 UTC ( [id://1053549]=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/env perl
use Modern::Perl;
...
caz
ciz
cuz
  2. or download this
    my $lbl; # lookback line
while ($buff[$.%($lb+1)] = ($_ = <DATA>)) {
    print $lbl if $lbl = $buff[($.+1)%($lb+1)] and /$match/;
}

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