xref: /dflybsd-src/usr.bin/gzip/zforce (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino#!/bin/sh -
2*86d7f5d3SJohn Marino#
3*86d7f5d3SJohn Marino# $NetBSD: zforce,v 1.2 2003/12/28 12:43:43 wiz Exp $
4*86d7f5d3SJohn Marino# $DragonFly: src/usr.bin/gzip/zforce,v 1.1 2004/10/26 11:19:31 joerg Exp $
5*86d7f5d3SJohn Marino# $OpenBSD: zforce,v 1.2 2003/08/05 18:22:17 deraadt Exp $
6*86d7f5d3SJohn Marino#
7*86d7f5d3SJohn Marino# Copyright (c) 2003 Otto Moerbeek <otto@drijf.net>
8*86d7f5d3SJohn Marino#
9*86d7f5d3SJohn Marino# Permission to use, copy, modify, and distribute this software for any
10*86d7f5d3SJohn Marino# purpose with or without fee is hereby granted, provided that the above
11*86d7f5d3SJohn Marino# copyright notice and this permission notice appear in all copies.
12*86d7f5d3SJohn Marino#
13*86d7f5d3SJohn Marino# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
14*86d7f5d3SJohn Marino# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15*86d7f5d3SJohn Marino# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
16*86d7f5d3SJohn Marino# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17*86d7f5d3SJohn Marino# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18*86d7f5d3SJohn Marino# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19*86d7f5d3SJohn Marino# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20*86d7f5d3SJohn Marino#
21*86d7f5d3SJohn Marinoprog=`basename $0`
22*86d7f5d3SJohn MarinoUSAGE="usage: $prog file ..."
23*86d7f5d3SJohn Marinoif test $# -eq 0; then
24*86d7f5d3SJohn Marino	echo $USAGE
25*86d7f5d3SJohn Marino	exit 1
26*86d7f5d3SJohn Marinofi
27*86d7f5d3SJohn Marino
28*86d7f5d3SJohn Marinoret=0
29*86d7f5d3SJohn Marino
30*86d7f5d3SJohn Marinowhile test $# -ne 0; do
31*86d7f5d3SJohn Marino	case "$1" in
32*86d7f5d3SJohn Marino		*[._-]gz)
33*86d7f5d3SJohn Marino			shift
34*86d7f5d3SJohn Marino			;;
35*86d7f5d3SJohn Marino		*.t[ag]z)
36*86d7f5d3SJohn Marino			shift
37*86d7f5d3SJohn Marino			;;
38*86d7f5d3SJohn Marino		*)
39*86d7f5d3SJohn Marino			if file "$1" |
40*86d7f5d3SJohn Marino				grep -q "gzip compressed data" 2> /dev/null
41*86d7f5d3SJohn Marino			then
42*86d7f5d3SJohn Marino				n="$1".gz
43*86d7f5d3SJohn Marino				if mv "$1" "$n" 2> /dev/null; then
44*86d7f5d3SJohn Marino					echo "$1" -- renamed to "$n"
45*86d7f5d3SJohn Marino				else
46*86d7f5d3SJohn Marino					ret=1
47*86d7f5d3SJohn Marino					echo $prog: cannot rename "$1" to "$n"
48*86d7f5d3SJohn Marino				fi
49*86d7f5d3SJohn Marino			fi
50*86d7f5d3SJohn Marino			shift
51*86d7f5d3SJohn Marino			;;
52*86d7f5d3SJohn Marino	esac
53*86d7f5d3SJohn Marinodone
54*86d7f5d3SJohn Marinoexit $ret
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