rar support added

lch

@@ -31,6 +31,9 @@ function decompressor()
         *.7z)
             7za e $DEST
         ;;
+        *.rar)
+            unrar x $DEST
+        ;;
         *)
             echo "Extension not found."
             echo -e "For more information run 'lch --help'\n"
@@ -68,6 +71,9 @@ function compressor()
         *.7z)
             7za a $DEST $ORIG
         ;;
+        *.rar)
+            rar a $DEST $ORIG
+        ;;
         *)
             echo "Extension not found."
             echo -e "For more information run 'lch --help'\n"
@@ -94,7 +100,7 @@ function help()
     echo "$ lch file.zip                -Decompress"
     echo ""
     echo "Supported extensions:"
-    echo "  tar, tar.gz, tar.bz2, tar.xz, bz2, tgz, gz, zip, 7z"
+    echo "  rar, tar, tar.gz, tar.bz2, tar.xz, bz2, tgz, gz, zip, 7z"
     echo ""
     echo "Run 'man lch' for more info."
     echo ""
@@ -119,7 +125,7 @@ function check()
 
     if $a
     then
-        echo -e "\nIn order to use all the extensions install the packages: tar, bzip2, gzip, zip, 7za"
+        echo -e "\nIn order to use all the extensions install the packages: tar, bzip2, gzip, zip, 7za, rar, unrar"
     fi
     echo ""
     exit 0
@@ -138,7 +144,7 @@ function install()
     if [ -x "$(command -v apt)" ]
     then
         echo -e "APT system detected\n"
-        apt install -y tar bzip2 gzip zip p7zip-full 1> /dev/null
+        apt install -y tar bzip2 gzip zip p7zip-full rar unrar-free 1> /dev/null
     elif [ -n "$(grep "centos" /etc/*-release)" ]
     then
         echo -e "CentOS system detected\n"