Parsing args via bash script

args_parser.bash

parse_config_values() {
	serial_obtained=false
	shift
	while [[ $# -gt 1 ]]; do
		case "$1" in
			--serial)
				config_serial=$2
				echo $config_serial
				serial_obtained=true
				shift
				;;
        		--rfid)
				if [[ " ${RFIDS[@]} " =~ " ${2} " ]]; then
            			config_rfid_id="$2"
				echo $config_rfid_id
				else
				echo "You provided wrong rfid option"
				exit 1
				fi
            			shift
            			;;
        		--fp)
				if [ "$2" == "false" ]; then
    				config_fp=false
				echo $config_fp
				fi
            			shift
            			;;
        		--3g)
            			if [ "$2" == "false" ]; then
    				config_3g=false
				echo $config_3g
				fi            		
				shift
            			;;
        		*)
		echo "Invalid argument: $1 for config values!"
        	exit 1
            	;;
    	esac
	shift
	done

	if [ $serial_obtained = false ]; then
	echo "You did not provide serial number, can not countinue!"
	exit 1
	fi            	
}