array.subr

in_array_key () {
	found=0
	for i in $2; do
		if [ $(echo $i | grep "^$1=") ]; then
			found=1
		fi
	done

	echo $found
}
in_array_val () {
	found=0
	for i in $2; do
		if [ $(echo $i | grep "=$1$") ]; then
			found=1
		fi
	done

	echo $found
}

array_random () {
	size=$(echo "$1" | wc -w | tr -d " ")
	rand=$(jot -r 1 1 $size)
	#echo "random number $rand (0-$size)\n"
	cnt=0
	for i in $1; do
		cnt=$(( $cnt + 1 ))
		#echo "$i comparing $cnt vs $rand\n"
		if [ $cnt -eq $rand ]; then
			echo $i;
		fi
		#cnt=$(( $cnt + 1 ))
		#echo "counter incremented: $cnt\n"
	done

	return $cnt
}