Current Path : /usr/bin/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/bin/znew |
#!/bin/sh - # # $NetBSD: znew,v 1.3 2008/04/27 09:07:13 nakayama Exp $ # $OpenBSD: znew,v 1.2 2003/08/05 18:22:17 deraadt Exp $ # #- # Copyright (c) 2003 Otto Moerbeek <otto@drijf.net> # # Permission to use, copy, modify, and distribute this software for any # purpose with or without fee is hereby granted, provided that the above # copyright notice and this permission notice appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. # # $FreeBSD: release/9.1.0/usr.bin/gzip/znew 180136 2008-06-30 23:53:15Z delphij $ # Return 0 if the first arg file size is smaller than the second, 1 otherwise. smaller () { a=`du -k "$1" | awk '{ print $1 }'` b=`du -k "$2" | awk '{ print $1 }'` test $a -lt $b } # Check gzip integrity if the -t flag is specified checkfile () { if test $tflag -eq 1; then gzip -qt < "$1" fi } # Decompress a file and then gzip it process () { prefix="${1%.Z}" filez="$prefix".Z filegz="$prefix".gz if test ! -e "$filez"; then echo "$prog: $filez does not exist" return 1 fi if test ! -f "$filez"; then echo "$prog: $filez is not a regular file" return 1 fi if test -e "$filegz" -a $fflag -eq 0; then echo "$prog: $filegz already exists" return 1 fi tmp=`mktemp /tmp/znewXXXXXXXXXX` || { echo "$prog: cannot create tmp file" return 1 } trap 'rm -f "$tmp"; exit 1' HUP INT QUIT PIPE TERM # Do the actual work, producing a file "$tmp" if uncompress -f -c < "$filez" | gzip -f -c $gzipflags > "$tmp"; then if test $kflag -eq 1 && smaller "$filez" "$tmp"; then echo -n "$prog: $filez is smaller than $filegz" echo "; keeping it" rm -f "$tmp" return 0 fi if ! checkfile "$tmp"; then echo "$prog: integrity check of $tmp failed" rm -f "$tmp" return 1; fi # Try to keep the mode of the original file if ! cp -fp "$filez" "$filegz"; then echo "$prog: warning: could not keep mode of $filez" fi if ! cp "$tmp" "$filegz" 2> /dev/null; then echo "$prog: warning: could not keep mode of $filez" if ! cp -f "$tmp" "$filegz" 2> /dev/null; then echo "$prog: could not copy $tmp to $filegz" rm -f "$filegz" "$tmp" return 1 fi fi if ! touch -fr "$filez" "$filegz"; then echo -n "$prog: warning: could not keep timestamp of " echo "$filez" fi rm -f "$filez" "$tmp" else echo "$prog: failed to process $filez" rm -f "$tmp" return 1 fi } prog=`basename "$0"` usage="usage: $prog [-ftv9K] file ..." fflag=0 tflag=0 kflag=0 gzipflags= # -P flag is recognized to maintain compatibility, but ignored. Pipe mode is # always used while getopts :ftv9PK i; do case $i in f) fflag=1;; t) tflag=1;; v) gzipflags="-v $gzipflags";; 9) gzipflags="-9 $gzipflags";; P) ;; K) kflag=1;; \?) echo "$usage"; exit 1;; esac done shift $((OPTIND - 1)) if test $# -eq 0; then echo "$usage" exit 1 fi rc=0 while test $# -ne 0; do if ! process "$1"; then rc=$? fi shift done exit $rc