diff --git a/usr.bin/grep/zgrep.sh b/usr.bin/grep/zgrep.sh index 105507f23708..bd0e8847e5f6 100755 --- a/usr.bin/grep/zgrep.sh +++ b/usr.bin/grep/zgrep.sh @@ -1,193 +1,193 @@ #!/bin/sh # # Copyright (c) 2003 Thomas Klausner. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # $FreeBSD$ set -u grep=grep zcat=zstdcat endofopts=0 pattern_file=0 pattern_found=0 grep_args="" hyphen=0 silent=0 prg=${0##*/} # handle being called 'zegrep' or 'zfgrep' case ${prg} in *egrep) grep_args="-E";; *fgrep) grep_args="-F";; esac catargs="-f" case ${prg} in zstd*) cattool="/usr/bin/zstdcat" catargs="-fq" ;; bz*) cattool="/usr/bin/bzcat" ;; z*) cattool="/usr/bin/zcat" ;; xz*) cattool="/usr/bin/xzcat" ;; lz*) cattool="/usr/bin/lzcat" ;; *) echo "Invalid command: ${prg}" >&2 exit 1 ;; esac # skip all options and pass them on to grep taking care of options # with arguments, and if -e was supplied while [ $# -gt 0 -a ${endofopts} -eq 0 ] do case $1 in # from GNU grep-2.5.1 -- keep in sync! --) shift endofopts=1 ;; --file=*) pattern_file=1 grep_args="${grep_args} ${1}" shift ;; --regexp=*) pattern="${1#--regexp=}" pattern_found=1 shift ;; -h|--no-filename) silent=1 shift ;; + -V|--version) + exec ${grep} -V + ;; --*) grep_args="${grep_args} $1" shift ;; -*[ABCDXdefm]) if [ $# -lt 2 ] then echo "${prg}: missing argument for $1 flag" >&2 exit 1 fi case $1 in -*e) pattern="$2" pattern_found=1 shift 2 continue ;; -*f) pattern_file=1 ;; *) ;; esac grep_args="${grep_args} $1 $2" shift 2 ;; -) hyphen=1 shift ;; -r|-R) echo "${prg}: the ${1} flag is not currently supported" >&2 exit 1 ;; - -V|--version) - exec ${grep} -V - ;; -*) grep_args="${grep_args} $1" shift ;; *) # pattern to grep for endofopts=1 ;; esac done # if no -e option was found, take next argument as grep-pattern if [ ${pattern_file} -eq 0 -a ${pattern_found} -eq 0 ] then if [ $# -ge 1 ]; then pattern="$1" shift elif [ ${hyphen} -gt 0 ]; then pattern="-" else echo "${prg}: missing pattern" >&2 exit 1 fi pattern_found=1 fi # call grep ... if [ $# -lt 1 ] then # ... on stdin if [ ${pattern_file} -eq 0 ]; then ${cattool} ${catargs} - | ${grep} ${grep_args} -- "${pattern}" - else ${cattool} ${catargs} - | ${grep} ${grep_args} -- - fi ret=$? else # ... on all files given on the command line if [ ${silent} -lt 1 -a $# -gt 1 ]; then grep_args="-H ${grep_args}" fi # Succeed if any file matches. First assume no match. ret=1 for file; do if [ ${pattern_file} -eq 0 ]; then ${cattool} ${catargs} -- "${file}" | ${grep} --label="${file}" ${grep_args} -- "${pattern}" - else ${cattool} ${catargs} -- "${file}" | ${grep} --label="${file}" ${grep_args} -- - fi this_ret=$? # A match (0) overrides a no-match (1). An error (>=2) overrides all. if [ ${this_ret} -eq 0 -a ${ret} -eq 1 ] || [ ${this_ret} -ge 2 ]; then ret=${this_ret} fi done fi exit ${ret}