0.1r3

lch

@@ -1,5 +1,16 @@
 #!/bin/bash
+VERSION=0.1r3
 
+if [ "$1" = "version" ] || [ "$1" = "--version" ] || [ "$1" = "-v" ]
+then    
+    echo "Linux Compression Humanized $VERSION"
+    exit 0
+else
+    echo ""
+    echo "lch $VERSION"
+    echo "---------"
+    echo ""
+fi
 
 function descompressor()
 {
@@ -29,7 +40,9 @@ function descompressor()
             7za e $1
         ;;
         *)  
-            echo "Extent not found"
+            echo "Extent not found."
+            echo "For more information --help"
+            echo ""
         ;;
     esac
     
@@ -38,7 +51,6 @@ function descompressor()
     exit 0
 }
 
-
 function compressor()
 {    
     case $1 in
@@ -69,7 +81,9 @@ function compressor()
             7za a $1 $2
         ;;
         *)  
-            echo "Extent not found"
+            echo "Extent not found."
+            echo " For more information --help"
+            echo ""
         ;;
     esac
     
@@ -78,20 +92,49 @@ function compressor()
     exit 0
 }
 
+function help()
+{    
+    echo "Help:"
+    echo "-----"
+    echo ""
+    echo "Examples:"
+    echo "$ lch file.zip ./route        -Compress"
+    echo "$ lch file.zip                -Descompress"
+    echo ""
+    echo "Supported extensions:"
+    echo "- tar"         
+    echo "- tar.gz"
+    echo "- tar.bz2"
+    echo "- bz2"
+    echo "- tgz"
+    echo "- gz"
+    echo "- zip"
+    echo "- 7z"
+    echo ""
+}
+
+if [ "$1" = "help" ] || [ "$1" = "--help" ] || [ "$1" = "-h" ]
+then
+    help
+    exit 0
+fi
+
 if [ -z "$1" ] || [ -n "$3" ]
 then
     echo "Wrong arguments"
+    echo "For more information --help"
+    echo ""
     exit 0
 else
     if [ -n "$2" ]
     then
-        echo "Compressor"
+        echo "Compressor:"
-        echo "----------"
+        echo "-----------"
         echo ""
         compressor $1 $2
     else
-        echo "Descompressor"
+        echo "Descompressor:"
-        echo "----------"
+        echo "--------------"
         echo ""
         descompressor $1
     fi