#! /bin/sh

if test "$2" = ""; then
	echo "usage: $0 basedir depth"
	exit 1
fi

if test "$2" = "0"; then
	exit 0
fi

hash_chars="0 1 2 3 4 5 6 7 8 9 a b c d e f"
if test "$3" -a "$3" -ge "5"; then
  hash_chars="$hash_chars g h i j k l m n o p q r s t u v"
  if test "$3" -eq "6"; then
    hash_chars="$hash_chars w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z - ,"
  fi
fi

for i in $hash_chars; do
	newpath="$1/$i"
	mkdir $newpath || exit 1
	sh $0 $newpath `expr $2 - 1` $3
done