3 # Copyright (c) April 1996 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED. IN NO EVENT SHALL [your name] OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 # zgrep - search possibly compressed files for a regular expression
29 # $FreeBSD: src/gnu/usr.bin/gzip/zgrep.getopt,v 1.7 1999/08/27 23:35:55 peter Exp $
32 PATH=/bin:/usr/bin:$PATH; export PATH
36 *egrep) grep=${EGREP-egrep} ;;
37 *fgrep) grep=${FGREP-fgrep} ;;
38 *) grep=${GREP-grep} ;;
41 gzip=gzip gzipopt="-cdfq" pattern= grepopt= files= line= header=
44 while getopts "0123456789A:B:CEFGVX:bce:f:hiLlnqsvwxy" option
47 e|f) pattern="-$option $OPTARG";; # -f file
48 l|L) line=-$option; grepopt="$grepopt -$option";;
49 h|q) header=-h; grepopt="$grepopt -$option";;
51 [0-9CEFGVbchiLlnqsvwxy]) grepopt="$grepopt -$option";;
52 [ABXef]) grepopt="$grepopt -$option $OPTARG";;
55 shift $(($OPTIND - 1))
60 0) echo "usage: $0 [grep_options] pattern [files]"; exit 1;;
61 *) pattern=$1; shift;;
67 # no shell loop neccessary for option -q or -h
68 # and a single file or reading from stdin
69 case "$header"X"$#" in
70 -h*|-q*|X0|X1) $gzip $gzipopt -- $files | $grep $grepopt -- "$pattern"
77 -l) if $gzip $gzipopt -- $f |
78 $grep $grepopt -- "$pattern" >/dev/null
83 -L) if $gzip $gzipopt -- $f |
84 $grep $grepopt -- "$pattern" >/dev/null; then :
90 *) $gzip $gzipopt -- $f | $grep $grepopt -- "$pattern" |