pack : add rar unpack support.

.linux/bash/module/pack.sh

@@ -1,4 +1,4 @@
-_UNPACK_SUPPORTED=".tar$|.tgz$|.txz$|.tar.gz$|.tar.xz$|.zip$|.iso$"
+_UNPACK_SUPPORTED=".tar$|.tgz$|.txz$|.tar.gz$|.tar.xz$|.zip$|.iso$|.rar$"
 
 # Pack files into desired format.
 # Usage: pack <TARGET.ext> <FILES>
@@ -101,6 +101,9 @@ unpack()
       "iso")
         _unpack_iso "${target}"
         ;;
+      "rar")
+        _unpack_rar "${target}"
+        ;;
       *)
         echo -e "${color_yellow}${target}: format not supported.${color_default}"
         return 2
@@ -124,71 +127,65 @@ unpack()
   fi
 }
 
-# show error.
 _pack_error()
 {
   echo -e "${color_bred}${1}: failed.${color_default}"
 }
 
-# Pack zip.
 _pack_zip()
 {
   zip -9 -r "${@}"
 }
 
-# pack tgz.
 _pack_tgz()
 {
   tar -c "${@:2}" | pv -s $(du -csb "${@:2}" | sed -n -e '$p' | awk '{print $1}') | gzip -1 > "${1}"
 }
 
-# pack txz.
 _pack_txz()
 {
   tar -c "${@:2}" | pv -s $(du -csb "${@:2}" | sed -n -e '$p' | awk '{print $1}') | xz -9e > "${1}"
 }
 
-# pack tar.
 _pack_tar()
 {
   tar -c "${@:2}" | pv -s $(du -csb "${@:2}" | sed -n -e '$p' | awk '{print $1}') > "${1}"
 }
 
-# unpack zip archive.
 _unpack_zip()
 {
   unzip "${@}"
 }
 
-# unpack 7z archive.
 _unpack_7z()
 {
   7za x "${@}"
 }
 
-# unpack tgz archive.
 _unpack_tgz()
 {
   pv "${@}" | gzip -d | tar -xf -
 }
 
-# unpack txz archive.
 _unpack_txz()
 {
   pv "${@}" | xz -d | tar -xf -
 }
 
-# unpack tar archive.
 _unpack_tar()
 {
   pv "${@}" | tar -xf -
 }
 
-# unpack iso image.
 _unpack_iso()
 {
   7za x "${@}"
 }
 
+_unpack_rar()
+{
+  unrar x "${@}"
+}
+
 # export functions.
-export -f pack unpack _pack_tgz _pack_txz _pack_tar _pack_zip _unpack_zip _unpack_7z _unpack_tgz _unpack_txz _unpack_tar _pack_error _unpack_iso
+export -f pack unpack _pack_tgz _pack_txz _pack_tar _pack_zip _unpack_zip _unpack_7z _unpack_tgz _unpack_txz _unpack_tar _pack_error _unpack_iso _unpack_rar