created shell dir

shell/getopt.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+echo "All arguments: $@"
+
+opts=`getopt -o a::b:cde --long file::,name:,help -- "$@"`
+eval set -- "$opts"
+echo "All arguments after getopt: $@"
+
+while [ $# -gt 0 ]
+do
+    case "$1" in
+        -a) echo "parameter 'a' selected with argument: $2"
+            shift 2 #same of 2 shift command
+            ;;
+        -b) echo "parameter 'b' selected with argument: $2"
+            shift 2
+            ;;
+        -c) echo "paramter 'c' selected"
+            shift
+            ;;
+        -d) echo "paramter 'd' selected"
+            shift
+            ;;
+        -e) echo "paramter 'e' selected"
+            shift
+            ;;
+        --file) echo "parameter 'file' selected with argument: $2"
+                shift 2
+                ;;
+        --name) echo "parameter 'name' selected with argument: $2"
+                shift 2
+                ;;
+        --help) echo "parameter 'help' selected"
+                shift
+                ;;
+        *)      echo "something else: $1"
+                shift
+                ;;
+    esac
+done