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# Copyright (C) 1998, 2002, 2004, 2007 Free Software Foundation
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# Copyright (C) 1993 Jean-loup Gailly
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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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# 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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# 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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PATH="BINDIR:$PATH"; export PATH
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version="znew (gzip) @VERSION@
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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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Written by Jean-loup Gailly."
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usage="Usage: $0 [OPTION]... [FILE]...
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Recompress files from .Z (compress) format to .gz (gzip) format.
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-f Force recompression even if a .gz file already exists.
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-t Test the new files before deleting originals.
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-v Verbose; display name and statistics for each file compressed.
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-9 Use the slowest compression method (optimal compression).
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-P Use pipes for the conversion to reduce disk space usage.
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-K Keep a .Z file when it is smaller than the .gz file.
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--help display this help and exit
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--version output version information and exit
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Report bugs to <bug-gzip@gnu.org>."
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# block is the disk block size (best guess, need not be exact)
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warn="(does not preserve modes and timestamp)"
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tmp=${TMPDIR-/tmp}/zfoo.$$
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echo hi > $tmp.1 || exit 1
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echo hi > $tmp.2 || exit 1
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if test -z "`(${CPMOD-cpmod} $tmp.1 $tmp.2) 2>&1`"; then
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echo hi > $tmp || exit
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if test -z "`(${CPMOD-cpmod} $tmp $tmp) 2>&1`"; then
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cpmod=${CPMOD-cpmod}
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if test -z "$cpmod" && ${TOUCH-touch} -r $tmp.1 $tmp.2 2>/dev/null; then
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if test -z "$cpmod" && ${TOUCH-touch} -r $tmp $tmp 2>/dev/null; then
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cpmod="${TOUCH-touch}"
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warn="(does not preserve file modes)"
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# check if GZIP env. variable uses -S or --suffix
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ext=`echo $tmp.1* | sed "s|$tmp.1||"`
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ext=`echo $tmp* | sed "s|$tmp||"`
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if test -z "$ext"; then
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echo znew: error determining gzip extension
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--help) exec echo "$usage";;
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--version) exec echo "$version";;
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-*) opt="$opt $arg"; shift;;
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if test $# -eq 0; then
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echo "recompress .Z files into $ext (gzip) files"
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echo usage: `echo $0 | sed 's,^.*/,,'` "[-tv9KP]" file.Z...
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echo " -t tests the new files before deleting originals"
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echo " -9 use the slowest compression method (optimal compression)"
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echo " -K keep a .Z file when it is smaller than the $ext file"
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echo " -P use pipes for the conversion $warn"
added
removed
znew.in
