From 4e47773f0570bdffefd062b85265242f9f13ef96 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <mail@daniel-baumann.ch>
Date: Sat, 7 Nov 2015 17:11:02 +0100
Subject: Adding upstream version 0.4.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
---
 zgrep.in | 51 ++++++++++++++++++++++++++-------------------------
 1 file changed, 26 insertions(+), 25 deletions(-)

(limited to 'zgrep.in')

diff --git a/zgrep.in b/zgrep.in
index 7321bdb..228cbd9 100644
--- a/zgrep.in
+++ b/zgrep.in
@@ -27,6 +27,9 @@ while [ x"$1" != x ] ; do
 		echo "names corresponding to the supported compressors."
 		echo "The supported compressors are gzip, bzip2, lzip and xz."
 		echo
+		echo "Zegrep is a shortcut for \"zgrep -E\""
+		echo "Zfgrep is a shortcut for \"zgrep -F\""
+		echo
 		echo "Usage: $0 [OPTIONS] [GREP_OPTIONS] PATTERN [FILES]"
 		echo
 		echo "GREP_OPTIONS are passed directly to grep."
@@ -81,28 +84,26 @@ retval=0
 for i in "$@" ; do
 	if [ "$i" = "--" ] && [ ${two_hyphens} = 0 ] ; then two_hyphens=1
 	else
-		if [ -f "$i" ]; then
-			case "$i" in
-			*.gz | *.tgz)
-				prog="gzip -cdfq" ;;
-			*.bz2 | *.tbz | *.tbz2)
-				prog="bzip2 -cdfq" ;;
-			*.lz | *.tlz)
-				prog="lzip -cdfq" ;;
-			*.xz | *.txz)
-				prog="xz -cdfq" ;;
-			*)
-				prog=cat ;;
-			esac
-		elif [ -f "$i.gz" ];  then i="$i.gz" ;  prog="gzip -cdfq"
-		elif [ -f "$i.bz2" ]; then i="$i.bz2" ; prog="bzip2 -cdfq"
-		elif [ -f "$i.lz" ];  then i="$i.lz" ;  prog="lzip -cdfq"
-		elif [ -f "$i.xz" ];  then i="$i.xz" ;  prog="xz -cdfq"
-		else
-			echo "$0: File \"$i\" not found or not a regular file" 1>&2
-			if [ ${retval} = 0 ]; then retval=1 ; fi
-			continue
+		if [ ! -f "$i" ]; then
+			if [ -f "$i.gz" ];    then i="$i.gz"
+			elif [ -f "$i.bz2" ]; then i="$i.bz2"
+			elif [ -f "$i.lz" ];  then i="$i.lz"
+			elif [ -f "$i.xz" ];  then i="$i.xz"
+			else
+				echo "$0: File \"$i\" not found or not a regular file" 1>&2
+				if [ ${retval} = 0 ]; then retval=1 ; fi
+				continue
+			fi
 		fi
+		bindir=`echo "$0" | sed -e 's,[^/]*$,,'`
+		prog_name=`"${bindir}"zutils -t -- "$i"`
+		case "${prog_name}" in
+		gzip)	prog="gzip -cdfq" ;;
+		bzip2)	prog="bzip2 -cdfq" ;;
+		lzip)	prog="lzip -cdfq" ;;
+		xz)	prog="xz -cdfq" ;;
+		*)	prog=cat ;;
+		esac
 		if [ ${list} = 1 ]; then
 			${prog} -- "$i" | grep ${args} 2>&1 > /dev/null && echo "$i"
 			r=$?
@@ -110,11 +111,11 @@ for i in "$@" ; do
 			${prog} -- "$i" | grep ${args}
 			r=$?
 		else
-			j=`printf "%s" "$i" | sed 's/\\\\/\\\\\\\\/g'`
-			j=`printf "%s" "$j" | sed 's/|/\\\\|/g'`
-			j=`printf "%s" "$j" | sed 's/&/\\\\&/g'`
+			j=`printf "%s" "$i" | sed -e 's,\\\\,\\\\\\\\,g'`
+			j=`printf "%s" "$j" | sed -e 's,|,\\\\|,g'`
+			j=`printf "%s" "$j" | sed -e 's,&,\\\\&,g'`
 			j=`printf "%s" "$j" | tr '\n' ' '`
-			${prog} -- "$i" | grep ${args} | sed "s|^|${j}:|"
+			${prog} -- "$i" | grep ${args} | sed -e "s,^,${j}:,"
 			r=$?
 		fi
 		[ $r != 0 ] && retval="$r"
-- 
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