# Method Stdio.append_file()

Method append_file

  `int append_file(string filename, string str, int|void access)`

Description

  Append the string str onto the file filename.

  For a description of access, see Stdio.File->open().

Throws

  Throws an error if filename couldn't be opened for writing.

Returns

  Returns the number of bytes written, i.e. `sizeof(str)`.

See also

  write_file(), read_bytes(), Stdio.File()->open()