#!/bin/sh
-# Copyright (C) 1998, 2002, 2004, 2007 Free Software Foundation
+# Copyright (C) 1998, 2002, 2004, 2007, 2010 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 of the License, or
+# 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,
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-PATH="BINDIR:$PATH"; export PATH
+bindir=@bindir@
+case $1 in
+--__bindir) bindir=${2?}; shift; shift;;
+esac
+PATH=$bindir:$PATH; export PATH
version="znew (gzip) @VERSION@
-Copyright (C) 2007 Free Software Foundation, Inc.
+Copyright (C) 2010-2013 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.
-v Verbose; display name and statistics for each file compressed.
-9 Use the slowest compression method (optimal compression).
-P Use pipes for the conversion to reduce disk space usage.
- -K Keep a .Z file when it is smaller than the .gz file.
+ -K Keep a .Z file when it is smaller than the .gz file; implies -t.
--help display this help and exit
--version output version information and exit
done
if test $# -eq 0; then
- echo "$usage"
+ echo >&2 "$0: invalid number of operands; try \`$0 --help' for help"
exit 1
fi
*t*) check=1; opt=`echo "$opt" | sed 's/t//g'`
esac
case "$opt" in
- *K*) keep=1; opt=`echo "$opt" | sed 's/K//g'`
+ *K*) keep=1; check=1; opt=`echo "$opt" | sed 's/K//g'`
esac
case "$opt" in
*P*) pipe=1; opt=`echo "$opt" | sed 's/P//g'`
else
if test $check -eq 1; then
if cp -p "$n.Z" "$n.$$" 2> /dev/null || cp "$n.Z" "$n.$$"; then
- :
+ :
else
- echo cannot backup "$n.Z"
+ echo cannot backup "$n.Z"
res=1; continue
fi
fi
:
else
if test $check -eq 1; then
- mv "$n.$$" "$n.Z" && rm -f "$n"
+ mv "$n.$$" "$n.Z" && rm -f "$n"
echo error while recompressing $n
else
- # compress $n (might be dangerous if disk full)
+ # compress $n (might be dangerous if disk full)
echo error while recompressing $n, left uncompressed
fi
res=1; continue
fi
test $keep -eq 1 && new=`wc -c < "$n$ext"`
if test $keep -eq 1 && test `expr \( $old + $block - 1 \) / $block` -lt \
- `expr \( $new + $block - 1 \) / $block`; then
+ `expr \( $new + $block - 1 \) / $block`; then
if test $pipe -eq 1; then
rm -f "$n$ext"
- elif test $check -eq 1; then
- mv "$n.$$" "$n.Z" && rm -f "$n$ext"
else
- gzip -d "$n$ext" && compress "$n" && rm -f "$n$ext"
+ mv "$n.$$" "$n.Z" && rm -f "$n$ext"
fi
echo "$n.Z smaller than $n$ext -- unchanged"