UNLOCK

This statement opens access to parts or all of a file to other programs and network users.

Syntax

UNLOCK [#]fileNumber%

UNLOCK [#]fileNumber%, record&

UNLOCK [#]fileNumber%, [firstRecord&] TO lastRecord&

Description

• fileNumber% is the file number of the file to unlock.
• In the first syntax, the entire file is unlocked.
• In the second syntax, record& is the record number of the file to unlock.
• In the third syntax, the records or bytes in the range [firstRecord&,lastRecord&] are unlocked. If firstRecord& is omitted, it is assumed to be the first record or byte.
• For files opened in BINARY mode, each record corresponds to a single byte.
• LOCK and UNLOCK statements are always used in pairs and each statement must match the other one.
• Files must be unlocked before other programs can access them, and before the file is closed.
• Keyword Not Supported in Linux or MAC versions

See also

• LOCK
• OPEN
• ACCESS

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