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I am trying to make a Bash Script that has 4 choices and prompts the user to select an option. Each option corresponds to a Linux Command operation. Can someone give me a bash example on how could this be implemented?

Thanks.

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Check help read – heemayl Mar 25 '15 at 12:53
    
... I would suggest help select as well – steeldriver Mar 25 '15 at 12:55
    
...or man dialog – Warren Young Mar 25 '15 at 13:16
    
A menu with the options in another file is given in unix.stackexchange.com/questions/38200/… – Walter A Mar 28 '15 at 21:09
up vote 2 down vote

Simple user selection example:

#!/bin/bash

do_exit=0

while [[ $do_exit == 0 ]]; do

    echo
    read -s -n1 answer

    case $answer in
        'l' )
            ls -l
            ;;
        'm' )
            free
            ;;
        'd' )
            df
            ;;
        'q' )
            do_exit=1
            ;;
        *)
            echo 'Invalid selection'
            ;;
    esac

done
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