unset LC_ALL
export LC_CTYPE=en_US.ISO8859-1

e=
for i in 0 1 2 3; do
	for j in 0 1 2 3 4 5 6 7; do
		for k in 0 1 2 3 4 5 6 7; do
			case $i$j$k in
			000) continue ;;
			esac
			e="$e\n\\$i$j$k"
		done
	done
done
e1=$(printf "$e")
e2="$(printf "$e")"
[ "${#e1}" = 510 ] || echo length bad
[ "$e1" = "$e2" ] || echo e1 != e2
[ "$e1" = "$(printf "$e")" ] || echo quoted bad
IFS=
[ "$e1" = $(printf "$e") ] || echo unquoted bad