move shell scripts and zsh and add fav vscode themes

shell/shell_scripts/lessons/getopts.sh

@@ -0,0 +1,59 @@
+#!/bin/sh
+
+
+
+# Usage: ./geotopts.sh -n -a -s -w -d
+#
+#
+# help_ani() To print help
+#
+help_ani()
+{
+  echo "Usage: $0 -n -a -s -w -d"
+  echo "Options: These are optional argument"
+  echo " -n name of animal"
+  echo " -a age of animal"
+  echo " -s sex of animal "
+  echo " -w weight of animal"
+  echo " -d demo values (if any of the above options are used "
+  echo " their values are not taken)"
+  exit 1
+}
+#
+#Start main procedure
+#
+#
+#Set default value for variable
+#
+isdef=0
+na=Moti
+age="2 Months" # may be 60 days, as U like it!
+sex=Male
+weight=3Kg
+#
+#if no argument
+#
+if [ $# -lt 1 ]; then
+  help_ani
+fi
+while getopts n:a:s:w:d opt
+do
+  case "$opt" in
+    n) na="$OPTARG";;
+    a) age="$OPTARG";;
+    s) sex="$OPTARG";;
+    w) weight="$OPTARG";;
+    d) isdef=1;;
+    \?) help_ani;;
+  esac
+done
+if [ $isdef -eq 0 ]
+then
+  echo "Animal Name: $na, Age: $age, Sex: $sex, Weight: $weight (user define mode)"
+else
+  na="Pluto Dog"
+  age=3
+  sex=Male
+  weight=20kg
+  echo "Animal Name: $na, Age: $age, Sex: $sex, Weight: $weight (demo mode)"
+fi