#!/bin/bash

# Search the given arguments for the value of the specified key
#  $1 - the name of the argument - (e.g. "verbose")
#  $2+ - arguments to parse for value - (e.g. some args --verbose=3 more args)
function args_get_long {
	local want_key=$1; shift;
	while [[ $# -gt 0 ]]
	do
		local key="$1"
		case $key in
			"--$want_key")
				echo $2
				return
			;;
			--$want_key=*)
				echo "${key#*=}"
				return
			;;
		esac
		shift
	done
}

# Search the given arguments for the value of the specified key
#  $1 - the name of the argument's short form - (e.g. "v")
#  $2+ - arguments to parse for value - (e.g. some args -v=3 more args)
function args_get_short {
	local want_key=$1; shift;
	while [[ $# -gt 0 ]]
	do
		local key="$1"
		case $key in
			"-$want_key")
				echo $2
				return
			;;
			-$want_key=*)
				echo "${key#*=}"
				return
			;;
		esac
		shift
	done
}

# Search the given arguments for the value of the specified key or short
#  $1 - the long name of the argument - (e.g. "verbose")
#  $2 - the short name of the argument - (e.g. "v")
#  $3+ - arguments to parse for value - (e.g. some args -w shorts --and longs more args)
function args_get {
	local want_long=$1; shift;
	local want_short=$1; shift;
	while [[ $# -gt 0 ]]
	do
		local key="$1"
		case $key in
			"--$want_long"|"-$want_short")
				echo $2
				return
			;;
			--$want_long=*|-$want_short=*)
				echo "${key#*=}"
				return
			;;
		esac
		shift
	done
}