Mercurial > hg > sv-dependency-builds
diff src/bzip2-1.0.6/bzgrep @ 4:e13257ea84a4
Add bzip2, zlib, liblo, portaudio sources
| author | Chris Cannam |
|---|---|
| date | Wed, 20 Mar 2013 13:59:52 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/bzip2-1.0.6/bzgrep Wed Mar 20 13:59:52 2013 +0000 @@ -0,0 +1,75 @@ +#!/bin/sh + +# Bzgrep wrapped for bzip2, +# adapted from zgrep by Philippe Troin <phil@fifi.org> for Debian GNU/Linux. +## zgrep notice: +## zgrep -- a wrapper around a grep program that decompresses files as needed +## Adapted from a version sent by Charles Levert <charles@comm.polymtl.ca> + +PATH="/usr/bin:$PATH"; export PATH + +prog=`echo $0 | sed 's|.*/||'` +case "$prog" in + *egrep) grep=${EGREP-egrep} ;; + *fgrep) grep=${FGREP-fgrep} ;; + *) grep=${GREP-grep} ;; +esac +pat="" +while test $# -ne 0; do + case "$1" in + -e | -f) opt="$opt $1"; shift; pat="$1" + if test "$grep" = grep; then # grep is buggy with -e on SVR4 + grep=egrep + fi;; + -A | -B) opt="$opt $1 $2"; shift;; + -*) opt="$opt $1";; + *) if test -z "$pat"; then + pat="$1" + else + break; + fi;; + esac + shift +done + +if test -z "$pat"; then + echo "grep through bzip2 files" + echo "usage: $prog [grep_options] pattern [files]" + exit 1 +fi + +list=0 +silent=0 +op=`echo "$opt" | sed -e 's/ //g' -e 's/-//g'` +case "$op" in + *l*) list=1 +esac +case "$op" in + *h*) silent=1 +esac + +if test $# -eq 0; then + bzip2 -cdfq | $grep $opt "$pat" + exit $? +fi + +res=0 +for i do + if test -f "$i"; then :; else if test -f "$i.bz2"; then i="$i.bz2"; fi; fi + if test $list -eq 1; then + bzip2 -cdfq "$i" | $grep $opt "$pat" 2>&1 > /dev/null && echo $i + r=$? + elif test $# -eq 1 -o $silent -eq 1; then + bzip2 -cdfq "$i" | $grep $opt "$pat" + r=$? + else + j=${i//\\/\\\\} + j=${j//|/\\|} + j=${j//&/\\&} + j=`printf "%s" "$j" | tr '\n' ' '` + bzip2 -cdfq "$i" | $grep $opt "$pat" | sed "s|^|${j}:|" + r=$? + fi + test "$r" -ne 0 && res="$r" +done +exit $res