#!/bin/sh

# print date for a file as ls would

# License: LGPLv2

if [ $# -eq 1 ]; then
    ts=`date --reference=$1 +%s` || exit 1
else
    ts=`date +%s`
fi

now=`date +%s`
recent=`date --date="-6 months" +%s`

if [ "$ts" -lt "$recent" ] || [ "$ts" -gt "$now" ]; then
    format="+%b %e  %Y"
else
    format="+%b %e %R"
fi
date --date="1970-01-01 UTC $ts sec" "$format"