#!/usr/bin/perl use strict; my @lines; my $file = ; open my $in, '<', $file; open my $out, '>', "ERR"; @lines = split('', $_); for(my $i; $i < 9; $i++) { if($line[$i] eq 'E') { #add one until finds a G or h } } #### Q165HWN0X001 Q165HWN0X002 Q165HWN0X003 E99HEADER|006|001 E99INSSCH|052| E99POLCOM|1||IIL|62|35119849249024||||| E99INSFAC2|C00124||||||XAJX0727,YGAX0000,ZAAJ0203,VABA0018,WJZA1800| G35119849249024 h189SMA2