#!/usr/bin/perl -w use strict; use Data::Dumper; my $line=; chomp $line; my @f=split(',',$line); my $dt1=shift @f; my $dt2=shift @f; printf "%s,%s,%s\n",scalar localtime($dt1),scalar localtime($dt2),join(",",@f); exit(0); __END__ 1345752662, 1345752673, CLOSED, CRITICAL, Other fields etc #### If EXPR is omitted, "localtime()" uses the current time (as returned by time(3)). In scalar context, "localtime()" returns the ctime(3) value: $now_string = localtime; # e.g., "Thu Oct 13 04:54:34 1994" This scalar value is not locale-dependent but is a Perl builtin. For GMT instead of local time use the "gmtime" builtin.