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Closes the connection with one or all open files or pipes. If no file is specified all files currently opened by the open procedure are closed.
close(f); file f;
None.
f | - The name of a filevariable associated with an open file. If not supplied, all files are closed. |
Trying to close a file or pipe which is not open is treated as an error.
All files opened by the open() procedure are automatically closed when you exit Varkon.