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I am trying to get a test piece of code working, it is based around a simple menu system. I can not get a while loop to work within another while loop. Can you answer my question? And if you find the answer to that one can you tell me how to use the || operator so I can catch both uppercase and lowercase for "Y" and "y" in the menu.

Thank you in advance, here's the code not very exciting, just a tester for the while loop:

Code:

#!/bin/bash



flag="1"

while [ "$flag" -eq "1" ]; do

        clear

        echo "in the main menu"

        echo "EMPLOYEE DATA PROGRAM"

        echo "---------------------"

        echo " "

        echo "1. Add employee details"

        echo "2. View a list of employees"

        echo " "

        echo "Q. Quit"

        echo " "

        echo -n "Enter an option (1/2/Q) > "

        read MenuOpt

        case $MenuOpt in

                "1")

                        again="y"

                        while [ "$again" -eq "y" ]; do

                        again=""

                        echo " "

                        echo "EMPLOYEE DATA PROGRAM - (Add Details)"

                        echo "-------------------------------------"        

                        echo " "

                        echo -n "Enter employee's first name > "

                        read FirstName

                        echo -n "Enter employee's age > "

                        read age

                        echo "$FirstName" "$age" >> /home/jay/employees.dat        

                        echo -n "Do you want to enter another > "

                        read again

                        done

                        ;;

                "2")

                        clear 

                        echo "View a list of employees"

                        echo -n "Enter any character to continue > "

                        read dummy

                        ;;

                "q")

                        flag="0"

                        ;;

                "Q")

                        flag="0"

                        ;;

                *)

                        clear

                        echo "Enter the correct selection"

                        echo -n "Enter any letter to continue > "

                        read dummy

        esac

        clear

done