Non-serious bash 2d array implementation

multidim.bash

#!/usr/bin/env bash

function getElem {
	while
		${!1+\:} return 1
		typeset -a "__getElemArr=${!1}"
		set -- "__getElemArr${1#*]}"
		[[ $1 == *\[!(@]|\*]) ]]
	do :
	done
	printf '<%s> ' "${!1}"
	echo
}

#a=$'( \'(a b c)\' $\'([3]=\\\'(d e f)\\\' [5]=1 2 3)\' \'(g h i)\' )'
a=( '(a b c)' $'([3]=\'(d e f)\' [5]=1 2 3)' '(g h i)' )
# typeset -a a=(([0]=a [1]=b [2]=c) ([3]=([0]=d [1]=e [2]=f) [5]=1 [6]=2 [7]=3) ([0]=g [1]=h [2]=i) )

getElem 'a[1][3][@]' || echo unset

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