function deepchecksum --description="Uses hashdeep tools to create checksums of the current directory"
  set DATE (date +%F_%A)
  set BASEDIR (basename $PWD)
  set BASEDIR (string replace -a ' ' _ "$BASEDIR")
  set HASH_FUNCTIONS md5deep sha1deep sha256deep tigerdeep whirlpooldeep
  set SIG_DIR Signatures_for_{$BASEDIR}

  mkdir -p $SIG_DIR

  for HASH in $HASH_FUNCTIONS
    "$HASH" -rl . > "$SIG_DIR"/"$BASEDIR"_"$HASH"_"$DATE"
  end
end