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#!/bin/sh |
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# zforce: force a gz extension on all gzip files so that gzip will not |
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# compress them twice. |
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# |
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# This can be useful for files with names truncated after a file transfer. |
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# 12345678901234 is renamed to 12345678901.gz |
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|
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|
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# Copyright (C) 2002, 2007 Free Software Foundation |
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# Copyright (C) 1993 Jean-loup Gailly |
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|
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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|
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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|
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# You should have received a copy of the GNU General Public License along |
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# with this program; if not, write to the Free Software Foundation, Inc., |
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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|
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PATH="${GZIP_BINDIR-'/usr/bin'}:$PATH"; export PATH |
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|
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version="zforce (gzip) 1.3.12 |
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Copyright (C) 2007 Free Software Foundation, Inc. |
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This is free software. You may redistribute copies of it under the terms of |
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the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. |
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There is NO WARRANTY, to the extent permitted by law. |
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|
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Written by Jean-loup Gailly." |
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|
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usage="Usage: $0 [FILE]... |
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Force a .gz extension on all compressed FILEs so that gzip will |
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not compress them twice. |
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|
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Report bugs to <bug-gzip@gnu.org>." |
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|
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if test $# = 0; then |
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echo "$usage" |
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exit 1 |
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fi |
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|
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res=0 |
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for i do |
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case "$i" in |
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--h*) exec echo "$usage";; |
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--v*) exec echo "$version";; |
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*[-.]z | *[-.]gz | *.t[ag]z) continue;; |
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esac |
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|
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if test ! -f "$i" ; then |
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echo zforce: $i not a file |
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res=1 |
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continue |
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fi |
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|
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if gzip -lv < "$i" 2>/dev/null | grep '^defl' > /dev/null; then |
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|
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new="$i.gz" |
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if mv "$i" "$new"; then |
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echo $i -- replaced with $new |
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else |
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res=$? |
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fi |
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fi |
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done |
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exit $res |
