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25 lines
1 KiB
Markdown
25 lines
1 KiB
Markdown
The UNLOCK statement opens access to parts or all of a file to other programs and network users.
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## Syntax
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> UNLOCK [#]fileNumber%
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> UNLOCK [#]fileNumber%, record&
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> UNLOCK [#]fileNumber%, [firstRecord&] TO lastRecord&
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## Description
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* fileNumber% is the file number of the file to unlock.
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* In the first syntax, the entire file is unlocked.
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* In the second syntax, record& is the record number of the file to unlock.
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* 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.
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* For files opened in [BINARY](BINARY) mode, each record corresponds to a single byte.
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* [LOCK](LOCK) and UNLOCK statements are always used in pairs and each statement must match the other one.
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* Files must be unlocked before other programs can access them, and before the file is closed.
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* [Keywords currently not supported](Keywords-currently-not-supported-by-QB64)
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## See Also
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* [LOCK](LOCK)
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* [OPEN](OPEN)
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* [ACCESS](ACCESS)
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