Adding upstream version 0.7.

Signed-off-by: Daniel Baumann <daniel@debian.org>

zcat.in

@@ -8,6 +8,9 @@
 LC_ALL=C
 export LC_ALL
 args=
+gz_args=
+xz_args=
+recursive=0
 two_hyphens=0
 
 # Loop over args until a filename is found
@@ -25,7 +28,7 @@ while [ x"$1" != x ] ; do
 		echo "data is read from standard input, decompressed if needed, and sent to"
 		echo "stdout. Data read from standard input must be of the same type; all"
 		echo "uncompressed or all compressed with the same compressor."
-		echo "The supported compressors are gzip, bzip2, lzip and xz."
+		echo "The supported compressors are bzip2, gzip, lzip and xz."
 		echo
 		echo "Usage: $0 [OPTIONS] [CAT_OPTIONS] [FILES]"
 		echo
@@ -35,6 +38,7 @@ while [ x"$1" != x ] ; do
 		echo "Options:"
 		echo "  -h, --help          display this help and exit"
 		echo "  -V, --version       output version information and exit"
+		echo "  -r, --recursive     operate recursively on directories"
 		echo
 		echo "Report bugs to zutils-bug@nongnu.org"
 		echo "Zutils home page: http://www.nongnu.org/zutils/zutils.html"
@@ -45,8 +49,12 @@ while [ x"$1" != x ] ; do
 		echo "This script is free software: you have unlimited permission"
 		echo "to copy, distribute and modify it."
 		exit 0 ;;
-	- | -f)
+	- | -c | --st* | -d | --de* | -f | --fo* | -q | --qu* | -L | --lic* )
 		;;
+	-l | --lis*)
+		gz_args="${gz_args} $1"; xz_args="${xz_args} $1" ;;
+	-r | --re*)
+		recursive=1 ;;
 	--)
 		shift ; two_hyphens=1 ; break ;;
 	-?*)
@@ -57,14 +65,14 @@ while [ x"$1" != x ] ; do
 	shift
 done
 
-if [ $# = 0 ]; then
+if [ $# = 0 ] ; then
 	bindir=`echo "$0" | sed -e 's,[^/]*$,,'`
 	prog_name=`"${bindir}"zutils -t`
 	case "${prog_name}" in
-	gzip)	prog="gzip -cdfq" ;;
 	bzip2)	prog="bzip2 -cdfq" ;;
+	gzip)	prog="gzip -cdfq ${gz_args}" ;;
 	lzip)	prog="lzip -cdfq" ;;
-	xz)	prog="xz -cdfq" ;;
+	xz)	prog="xz -cdfq ${xz_args}" ;;
 	*)	prog=cat ;;
 	esac
 	{ "${bindir}"zutils -m ${prog_name} ; cat ; } | ${prog} | cat ${args}
@@ -75,29 +83,32 @@ retval=0
 for i in "$@" ; do
 	if [ "$i" = "--" ] && [ ${two_hyphens} = 0 ] ; then two_hyphens=1
 	else
-		if [ ! -f "$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"
+		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"
+			elif [ ${recursive} = 1 ] && [ -d "$i" ] ; then
+				find "$i" -type f -exec "$0" '{}' ';'
+				continue
 			else
 				echo "$0: File \"$i\" not found or not a regular file" 1>&2
-				if [ ${retval} = 0 ]; then retval=1 ; fi
+				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" ;;
+		gzip)	prog="gzip -cdfq ${gz_args}" ;;
 		lzip)	prog="lzip -cdfq" ;;
-		xz)	prog="xz -cdfq" ;;
+		xz)	prog="xz -cdfq ${xz_args}" ;;
 		*)	prog=cat ;;
 		esac
 		${prog} -- "$i" | cat ${args}
 		r=$?
-		if [ $r != 0 ]; then retval=$r ; fi
+		if [ $r != 0 ] ; then retval=$r ; fi
 	fi
 done