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-rw-r--r--Utilities/cmbzip2/bzgrep75
1 files changed, 75 insertions, 0 deletions
diff --git a/Utilities/cmbzip2/bzgrep b/Utilities/cmbzip2/bzgrep
new file mode 100644
index 0000000..8ccf919
--- /dev/null
+++ b/Utilities/cmbzip2/bzgrep
@@ -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