"fake" is definitely the wrong word. So I can only guess what you want to do from your code. You seem to check if $position1 is between $current_line2-8 and $current_line2+8. In that case you have a bug in your code, in the line if ($pos = $position1) { the '=' should have been a '=='. Furthermore the loop isn't necessary, you only need two comparisions instead: 

#                   $from = $current_line[2]-8;
#                   $to = $current_line[2]+8;
#                    for ($from .. $to){
#                    push (@range, $_);
#                    }
#                  }
#             foreach my $pos (@range){
#                 if ($pos == $position1) {
# substitute with
                 if ($position1>=$current_line[2]-8 and
                     $position1<=$current_line[2]+8) {

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In reply to Re^6: Reading two files, cmp certain cols by jethro
in thread Reading two files, cmp certain cols by sesemin

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