Bash case statement

case "$1" in
        start)
            start ;;
        stop)
            stop ;;
        restart)
            stop; start ;;
        *)
            echo $"Usage: $0 {start|stop|restart}"
            exit 1
esac

Source: tldp.org

case $var in
	pattern1)
    	#code
        ;;
    pattern2|pattern3)
    	#code
        ;;
    *)
    	#code
        ;;
esac

Bash switch case

case $1 in
start)
    #Start logic
    ;;
stop)
    # Stop logic
    ;;
*)
	# Default logic
    echo $"Usage: $0 {start|stop}"
    exit 1
    ;;
esac

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