From: Hugo Villeneuve <hugo@hugovil.com>
Date: Mon, 17 Jun 2013 18:17:36 +0000 (-0400)
Subject: Ajout support pour pbzip2 dans le script tarbz2
X-Git-Url: http://gitweb.hugovil.com/?a=commitdiff_plain;h=656e63c0b6829c67483f0f6171fe89dc012bbcfc;p=hvutilities.git

Ajout support pour pbzip2 dans le script tarbz2

Ajout option fichier de sortie pour tarbz2
---

diff --git a/scripts/tarbz2 b/scripts/tarbz2
index e7a6d93..a16c8c1 100755
--- a/scripts/tarbz2
+++ b/scripts/tarbz2
@@ -1,26 +1,64 @@
 #!/bin/sh
 
+PROG_NAME=$(basename $0)
+
+BZIP2_BIN=bzip2
+
+if [ -x /usr/bin/pbzip2 ]; then
+    BZIP2_BIN=pbzip2
+fi
+
 print_usage()
 {
     echo "$(basename $0) -- Create bzip2 compressed TAR archive."
-    echo "Usage: $(basename $0) DIR"
+    echo "Usage: ${PROG_NAME} [OPTION]... DIR"
+    echo "Options:"
+    echo "  -f filename     Specify the base name of the generated archive."
+    echo "                  Default is same name as the input directory."
 }
 
-if [ $# -ne 1 ]; then
-    print_usage
+while getopts "hf:" flag ;do
+    case ${flag} in
+	h)
+	    print_usage
+	    ;;
+	f)
+	    DEST=${OPTARG}
+	    ;;
+	?)
+	    echo "${PROG_NAME}: Invalid option: ${OPTARG}."
+	    echo "Try \`${PROG_NAME} --help' for more information."
+	    exit 1
+	    ;;
+    esac
+done
+shift `expr "${OPTIND}" - 1`
+
+# `$#' now represents the number of arguments after the options.
+# `$1' is the first argument, etc.
+if [ ${#} -eq 0 ]; then
+    echo "${PROG_NAME}: Missing source directory."
+    echo "Try \`${PROG_NAME} --help' for more information."
+    exit 1
+elif [ ${#} -gt 1 ]; then
+    echo "${PROG_NAME}: Too many arguments."
+    echo "Try \`${PROG_NAME} --help' for more information."
     exit 1
 fi
 
 DIR=${1%/}
-BASE=$(basename ${DIR})
+
+if [ -z ${DEST} ]; then
+    DEST=$(basename ${DIR})
+fi
 
 # Checking if directory exists.
 if [ ! -d ${DIR} ]; then
     echo "$0: Directory ${DIR} not found."
     exit 1
 fi
-    
+
 # Decompressing file to standard output and piping result to bzip2
-tar cvf - ${DIR} | bzip2 -9 > ${BASE}.tar.bz2
+tar cvf - ${DIR} | ${BZIP2_BIN} -9 > ${DEST}.tar.bz2
 
 exit $?