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Re^3: Reading file and matching lines

by GotToBTru (Prior)
on Feb 11, 2014 at 14:23 UTC ( #1074423=note: print w/replies, xml ) Need Help??

in reply to Re^2: Reading file and matching lines
in thread Reading file and matching lines

use strict; use warnings; my $infile = shift; my $found_E = 0; my $sets = 0; open my $ifh, '<', $infile; while(<$ifh>) { if (/^E/) { $found_E = 1; next; } if ($found_E) { if (/^G/) { $sets += 1; $found_E = 0; next; } if (/^h/) { print "Error! Found h before G\n"; exit; } } } close($ifh); printf "Found %d sets from E to G uninterrupted by h\n",$sets;

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