Shell Programming and Scripting

# Script to create simple menus and take action according to that selected
# menu item
#
while :
 do
    clear
    echo "-------------------------------------"
    echo " Main Menu "
    echo "-------------------------------------"
    echo "[1] Show Todays date/time"
    echo "[2] Show files in current directory"
    echo "[3] Show calendar"
    echo "[4] Start editor to write letters"
    echo "[5] Exit/Stop"
    echo "======================="
    echo -n "Enter your menu choice [1-5]: "
    read yourch
    case $yourch in
      1) echo "Today is `date` "; echo "press a key. . ." ; read ;;
      2) echo "Files in `pwd`" ; ls -l ; echo "Press a key. . ." ; read ;;
      3) cal ; echo "Press a key. . ." ; read ;;
      4) vi ;;
      5) exit 0 ;;
      *) echo "Opps!!! Please select choice 1,2,3,4, or 5"; echo "Press a key. . ." ; read ;;
 esac
done

.
.
.
    read yourch
    case $yourch in
      1) echo "Today is `date` "; _mesg;;
      2) echo "Files in `pwd`" ; ls -l ; echo "Press a key. . ." ; read ;;
      3) cal ; echo "Press a key. . ." ; read ;;
      4) vi ;;
      5) exit 0 ;;
      *) echo "Opps!!! Please select choice 1,2,3,4, or 5"; echo "Press a key. . ." ; read ;;
 esac
done

_mesg(){
	echo "press a key. . ." ; read ;
}