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- #!/bin/sh
- # zforce: force a gz extension on all gzip files so that gzip will not
- # compress them twice.
- #
- # This can be useful for files with names truncated after a file transfer.
- # 12345678901234 is renamed to 12345678901.gz
-
-
- # Copyright (C) 2002 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.
-
- # 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.
-
-
- PATH="//bin:$PATH"; export PATH
- x=`basename $0`
- if test $# = 0; then
- echo "force a '.gz' extension on all gzip files"
- echo usage: $x files...
- exit 1
- fi
-
- res=0
- for i do
- if test ! -f "$i" ; then
- echo ${x}: $i not a file
- res=1
- continue
- fi
-
- case "$i" in
- *[-.]z | *[-.]gz | *.t[ag]z) continue;;
- esac
-
- if gzip -lv < "$i" 2>/dev/null | grep '^defl' > /dev/null; then
-
- new="$i.gz"
- if mv "$i" "$new"; then
- echo $i -- replaced with $new
- else
- res=$?
- fi
- fi
- done
- exit $res
-