Unlock

Removes a previous access restriction (lock) on a file

Syntax

Unlock #filenum, record Unlock #filenum, start To end

Parameters

filenum

The file number used to Open the file.

record

The record (Random files) to unlock.

start

The first byte position (Binary files) in a range to unlock.

end

The last byte position (Binary files) in a range to unlock.

Description

Unlock removes the temporary access restriction set by Lock.

It is strongly recommended to use the same arguments used in the previous Lock.

Note: This command does not always work, neither as documented nor as expected. It appears to be broken at the moment.

Example

For an example see Lock.

Differences from QB

Currently, FB cannot implicitly unlock the entire file
In Random mode, FB cannot unlock a range of records