CLOSE

CLOSE closes an open file or port using the number(s) assigned in an OPEN statement.

Syntax

CLOSE [fileNumber[, ...]]

Parameters

• fileNumber indicates the file or list of file numbers to close. When not specified, all open files are closed.

Description

• A file must be closed when changing to another file mode.
• CLOSE files when they are no longer needed, in order to save memory.
• Files cannot be opened in the same OPEN mode using another number until the first one is closed.
• Use holding variables for each file number returned by FREEFILE so that the file reference is known.
• Will not return an error if a filenumber is already closed or was never opened. It does not verify that a file was closed.
• CLEAR can be used to close all open files.
• CLOSE can also be used to close an open TCP/IP connection using a handle returned by QB64.

See also

• OPEN, OPEN COM
• _OPENCLIENT, _OPENHOST
• _OPENCONNECTION
• _SNDCLOSE

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