xref: /dflybsd-src/usr.bin/gzip/zforce (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
186d7f5d3SJohn Marino#!/bin/sh -
286d7f5d3SJohn Marino#
386d7f5d3SJohn Marino# $NetBSD: zforce,v 1.2 2003/12/28 12:43:43 wiz Exp $
486d7f5d3SJohn Marino# $DragonFly: src/usr.bin/gzip/zforce,v 1.1 2004/10/26 11:19:31 joerg Exp $
586d7f5d3SJohn Marino# $OpenBSD: zforce,v 1.2 2003/08/05 18:22:17 deraadt Exp $
686d7f5d3SJohn Marino#
786d7f5d3SJohn Marino# Copyright (c) 2003 Otto Moerbeek <otto@drijf.net>
886d7f5d3SJohn Marino#
986d7f5d3SJohn Marino# Permission to use, copy, modify, and distribute this software for any
1086d7f5d3SJohn Marino# purpose with or without fee is hereby granted, provided that the above
1186d7f5d3SJohn Marino# copyright notice and this permission notice appear in all copies.
1286d7f5d3SJohn Marino#
1386d7f5d3SJohn Marino# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
1486d7f5d3SJohn Marino# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1586d7f5d3SJohn Marino# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
1686d7f5d3SJohn Marino# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
1786d7f5d3SJohn Marino# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
1886d7f5d3SJohn Marino# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1986d7f5d3SJohn Marino# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
2086d7f5d3SJohn Marino#
2186d7f5d3SJohn Marinoprog=`basename $0`
2286d7f5d3SJohn MarinoUSAGE="usage: $prog file ..."
2386d7f5d3SJohn Marinoif test $# -eq 0; then
2486d7f5d3SJohn Marino	echo $USAGE
2586d7f5d3SJohn Marino	exit 1
2686d7f5d3SJohn Marinofi
2786d7f5d3SJohn Marino
2886d7f5d3SJohn Marinoret=0
2986d7f5d3SJohn Marino
3086d7f5d3SJohn Marinowhile test $# -ne 0; do
3186d7f5d3SJohn Marino	case "$1" in
3286d7f5d3SJohn Marino		*[._-]gz)
3386d7f5d3SJohn Marino			shift
3486d7f5d3SJohn Marino			;;
3586d7f5d3SJohn Marino		*.t[ag]z)
3686d7f5d3SJohn Marino			shift
3786d7f5d3SJohn Marino			;;
3886d7f5d3SJohn Marino		*)
3986d7f5d3SJohn Marino			if file "$1" |
4086d7f5d3SJohn Marino				grep -q "gzip compressed data" 2> /dev/null
4186d7f5d3SJohn Marino			then
4286d7f5d3SJohn Marino				n="$1".gz
4386d7f5d3SJohn Marino				if mv "$1" "$n" 2> /dev/null; then
4486d7f5d3SJohn Marino					echo "$1" -- renamed to "$n"
4586d7f5d3SJohn Marino				else
4686d7f5d3SJohn Marino					ret=1
4786d7f5d3SJohn Marino					echo $prog: cannot rename "$1" to "$n"
4886d7f5d3SJohn Marino				fi
4986d7f5d3SJohn Marino			fi
5086d7f5d3SJohn Marino			shift
5186d7f5d3SJohn Marino			;;
5286d7f5d3SJohn Marino	esac
5386d7f5d3SJohn Marinodone
5486d7f5d3SJohn Marinoexit $ret
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