#!/usr/bin/perl use strict; use warnings; my $input = $ARGV[0]; open(INPUT, "$input") || die "Oops!: Can't open file: $!\n"; my @inputfile = ; for(my $j = 0; $j < @inputfile; $j++) { my $count = -127.5; my $value1 = 0; my $value2 = 0; my $checkvalue = substr($inputfile[$j], 0, 6); $value1 = $count -2.5; $value2 = $count + 2.5; print "$checkvalue $value1 $value2 \n"; if(('$checkvalue' gt '$value1') && ('$checkvalue' le '$value2')) { print "$checkvalue $value1 $value2\n"; } }