2 # zforce: force a gz extension on all gzip files so that gzip will not
5 # This can be useful for files with names truncated after a file transfer.
6 # 12345678901234 is renamed to 12345678901.gz
9 # Copyright (C) 2002, 2007 Free Software Foundation
10 # Copyright (C) 1993 Jean-loup Gailly
12 # This program is free software; you can redistribute it and/or modify
13 # it under the terms of the GNU General Public License as published by
14 # the Free Software Foundation; either version 2 of the License, or
15 # (at your option) any later version.
17 # This program is distributed in the hope that it will be useful,
18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 # GNU General Public License for more details.
22 # You should have received a copy of the GNU General Public License along
23 # with this program; if not, write to the Free Software Foundation, Inc.,
24 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 PATH="BINDIR:$PATH"; export PATH
28 version="zforce (gzip) @VERSION@
29 Copyright (C) 2007 Free Software Foundation, Inc.
30 This is free software. You may redistribute copies of it under the terms of
31 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
32 There is NO WARRANTY, to the extent permitted by law.
34 Written by Jean-loup Gailly."
36 usage="Usage: $0 [FILE]...
37 Force a .gz extension on all compressed FILEs so that gzip will
38 not compress them twice.
40 Report bugs to <bug-gzip@gnu.org>."
50 --h*) exec echo "$usage";;
51 --v*) exec echo "$version";;
52 *[-.]z | *[-.]gz | *.t[ag]z) continue;;
55 if test ! -f "$i" ; then
56 echo zforce: $i not a file
61 if gzip -lv < "$i" 2>/dev/null | grep '^defl' > /dev/null; then
64 if mv "$i" "$new"; then
65 echo $i -- replaced with $new