3 # $NetBSD: zgrep,v 1.3 2004/04/27 09:18:16 jdolecek Exp $
4 # $DragonFly: src/usr.bin/gzip/zgrep,v 1.1 2004/10/26 11:19:31 joerg Exp $
6 # Copyright (c) 2003 Thomas Klausner.
8 # Redistribution and use in source and binary forms, with or without
9 # modification, are permitted provided that the following conditions
11 # 1. Redistributions of source code must retain the above copyright
12 # notice, this list of conditions and the following disclaimer.
13 # 2. Redistributions in binary form must reproduce the above copyright
14 # notice, this list of conditions and the following disclaimer in the
15 # documentation and/or other materials provided with the distribution.
16 # 3. The name of the author may not be used to endorse or promote products
17 # derived from this software without specific prior written permission.
19 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 # handle being called 'zegrep' or 'zfgrep'
47 # skip all options and pass them on to grep taking care of options
48 # with arguments, and if -e was supplied
50 while [ $# -gt 0 -a ${endofopts} -eq 0 ]
53 # from GNU grep-2.5.1 -- keep in sync!
64 echo "${prg}: missing argument for ${saved_arg} flag" >&2
67 grep_args="${grep_args} $1 $2"
71 grep_args="${grep_args} $1"
79 grep_args="${grep_args} $1"
89 # if no -e option was found, take next argument as grep-pattern
90 if [ ${pattern_found} -lt 1 ]
94 echo "${prg}: missing pattern" >&2
105 ${zcat} -fq - | ${grep} ${grep_args} "${pattern}" -
107 # ... on all files given on the command line
110 ${zcat} -fq -- "$1" | ${grep} -H --label="${1}" "${pattern}" ${grep_args} -