unset LC_ALL
LC_CTYPE=en_US.ISO8859-1
export LC_CTYPE

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\\$i$j$k"
		done
	done
done
ee=`printf "$e"`
[ ${#ee} = 255 ] || echo bad 1
[ "${#ee}" = 255 ] || echo bad 2
[ $((${#ee})) = 255 ] || echo bad 3
[ "$((${#ee}))" = 255 ] || echo bad 4
set -- "$ee"
[ ${#1} = 255 ] || echo bad 5
[ "${#1}" = 255 ] || echo bad 6
[ $((${#1})) = 255 ] || echo bad 7
[ "$((${#1}))" = 255 ] || echo bad 8