1130b656e5
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
96 lines
2.7 KiB
Bash
96 lines
2.7 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) April 1996 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL [your name] OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# zgrep - search possibly compressed files for a regular expression
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#
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# $FreeBSD$
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PATH=/bin:/usr/bin:$PATH; export PATH
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# grep variant
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case "$0" in
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*egrep) grep=${EGREP-egrep} ;;
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*fgrep) grep=${FGREP-fgrep} ;;
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*) grep=${GREP-grep} ;;
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esac
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gzip=gzip gzipopt="-cdfq" pattern= grepopt= files= line= header=
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set -- `getopt "0123456789A:B:CEFGVX:bce:f:hiLlnqsvwxy" "$@"`
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# check options
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while :
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do
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case "$1" in
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--) shift; break;; # EOF options
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-e|-f) pattern="$1 $2"; shift;; # -f file
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-l|-L) line=$1; grepopt="$grepopt $1";;
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-h|-q) header=$1; grepopt="$grepopt $1";;
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*) grepopt="$grepopt $1";; # rest
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esac
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shift
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done
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# check pattern
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case X"$pattern" in
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X) case $# in
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0) echo "usage: $0 [grep_options] pattern [files]"; exit 1;;
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*) pattern=$1; shift;;
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esac
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esac
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files="$@"
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# no shell loop neccessary for option -q or -h
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# and a single file or reading from stdin
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case "$header"X"$#" in
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-h*|-q*|X0|X1) $gzip $gzipopt $files | $grep $grepopt $pattern
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exit $?;;
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esac
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exit=1
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for f in $files
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do
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case "$line" in
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-l|-L) if $gzip $gzipopt $f |
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$grep $grepopt $pattern >/dev/null
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then
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echo $f
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fi
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;;
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*) $gzip $gzipopt $f | $grep $grepopt $pattern |
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sed "s%^%${f}:%";;
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esac
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case $? in
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2) exit=$?;;
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0) case "$exit" in 2);; 1) exit=0;; esac;;
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esac
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done
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exit $exit
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