-:
#!/bin/sh
# zforce: force a gz extension on all gzip files so that gzip will not
# compress them twice.
# 12345678901234 is renamed to 12345678901.gz
-# Copyright (C) 2002 Free Software Foundation
+# Copyright (C) 2002, 2007 Free Software Foundation
# Copyright (C) 1993 Jean-loup Gailly
# 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 2, or (at your option)
-# any later version.
+# 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+bindir=@bindir@
+case $1 in
+--__bindir) bindir=${2?}; shift; shift;;
+esac
+PATH=$bindir:$PATH; export PATH
+
+version="zforce (gzip) @VERSION@
+Copyright (C) 2007, 2009-2010 Free Software Foundation, Inc.
+This is free software. You may redistribute copies of it under the terms of
+the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
+There is NO WARRANTY, to the extent permitted by law.
+
+Written by Jean-loup Gailly."
+
+usage="Usage: $0 [FILE]...
+Force a .gz extension on all compressed FILEs so that gzip will
+not compress them twice.
+
+Report bugs to <bug-gzip@gnu.org>."
-PATH="BINDIR:$PATH"; export PATH
-x=`basename $0`
if test $# = 0; then
- echo "force a '.gz' extension on all gzip files"
- echo usage: $x files...
+ echo "$usage"
exit 1
fi
res=0
for i do
+ case "$i" in
+ --h*) exec echo "$usage";;
+ --v*) exec echo "$version";;
+ *[-.]z | *[-.]gz | *.t[ag]z) continue;;
+ esac
+
if test ! -f "$i" ; then
- echo ${x}: $i not a file
+ echo zforce: $i not a file
res=1
continue
fi
- case "$i" in
- *[-.]z | *[-.]gz | *.t[ag]z) continue;;
- esac
-
if gzip -lv < "$i" 2>/dev/null | grep '^defl' > /dev/null; then
new="$i.gz"