#!/usr/bin/perl use strict; my $iHours = 0; while () { # Add Hours if(/(\d+)h/) { $iHours += $1; } # Add days # Add Hours if(/(\d+)d/) { $iHours += $1 * 8; } } printf ("Total is %d days and %d hours\n", $iHours / 8, $iHours % 8);