CLOSE

CLOSE

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CLOSE [[#] file_0 [, [#] file_1] ...]

Closes streams. If no file numbers are specified, all open streams [3 to 15] are closed. The hash (#) is optional and has no effect.

Parameters

file_1, file_2, ... are numeric expressions yielding stream numbers.

Errors

• file_1, file_2, ... are not in [0 to 15]: Bad I/O device.
• file_1, file_2, ... are not open streams: Undefined stream.
• file_1, file_2, ... have a string value: Type mismatch.
• The statement ends in a comma, Syntax error.
• If an error occurs, only the files before the erratic value are closed.