#!/bin/bash
goal="true|yes"
before=""
prefix=""
decimals=2
while [ `echo $1 | grep "-"` ]; do
	case $1 in
		-d|--decimals) decimals=$2;;
		-b|--before) before=$2;;
	  	-p|--prefix) prefix=$2;;
	   	-g|--goal)   goal=$2;;
	 	*)           blabln "'"$1"' unknown\n usage abcd [options]"; 
				         return 1;;
	esac
	shift 2
done
[  -n "$before" ] && printf $before
abcdgc  Prefix="$prefix" Decimals="$decimals" True="$goal" -