#!/bin/bash
#
# Formats a UNIX timestamp
#
#  Copyright (C) 2012  Mike Gerwitz
#
#  This file is part of repo2html.
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
# #

ts="${1?Missing timestamp}"
fmt="${2?Missing format specifier}"

# a UNIX timestamp represents the number of seconds since midnight on 1 Jan
# 1970, UTC
date --date="1970-01-01 $ts sec UTC" +"$fmt"