Append the supplied text to the specified file. If the file does not exist it is created using any specified encoding, and then the file is closed. If the file already exists and has content then an encoding should not be specified.
The default is "UTF8NOBOM", except on Android where it is the only supported value of "ANSI".
If the file already exists and has content then an encoding should not be specified.
Append a sequence of text with line separators to file orwell.txt.