3 # zforce: force a gz extension on all gzip files so that gzip will not
6 # This can be useful for files with names truncated after a file transfer.
7 # 12345678901234 is renamed to 12345678901.gz
10 # Copyright (C) 2002 Free Software Foundation
11 # Copyright (C) 1993 Jean-loup Gailly
13 # This program is free software; you can redistribute it and/or modify
14 # it under the terms of the GNU General Public License as published by
15 # the Free Software Foundation; either version 2 of the License, or
16 # (at your option) any later version.
18 # This program is distributed in the hope that it will be useful,
19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 # GNU General Public License for more details.
23 # You should have received a copy of the GNU General Public License along
24 # with this program; if not, write to the Free Software Foundation, Inc.,
25 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 PATH="BINDIR:$PATH"; export PATH
29 version="zforce (gzip) @VERSION@
30 Copyright (C) 2006 Free Software Foundation, Inc.
31 This is free software. You may redistribute copies of it under the terms of
32 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
33 There is NO WARRANTY, to the extent permitted by law.
35 Written by Jean-loup Gailly."
37 usage="Usage: zforce [FILE]...
38 Force a .gz extension on all compressed FILEs so that gzip will
39 not compress them twice.
41 Report bugs to <bug-gzip@gnu.org>."
51 --h*) exec echo "$usage";;
52 --v*) exec echo "$version";;
53 *[-.]z | *[-.]gz | *.t[ag]z) continue;;
56 if test ! -f "$i" ; then
57 echo zforce: $i not a file
62 if gzip -lv < "$i" 2>/dev/null | grep '^defl' > /dev/null; then
65 if mv "$i" "$new"; then
66 echo $i -- replaced with $new