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PRAGMA PROGRAM REFERENCE MANUAL
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Index
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All Operation
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Expand All ADDENDUM
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GET NOWAIT LOCK
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GNLK
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Standard Verb
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File Access Operation
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Target = REFERENCE (RF), EXTERNAL ECHO (XE), FILE STATUS (FST)
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Retrieves a record from a file and locks the record. If the record is already
locked by another user, it immediately returns with a message of "conflict"
in EXTERNAL ECHO and a status of 3 in FILE STATUS.
If PRAGMA cannot find the specified record, the EXTERNAL ECHO will contain a
"record not found" message and no record will be retrieved. After accessing
the file the reference of the record is written to the target noun REFERENCE.
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GET NOWAIT LOCK reference CHOICE in file FILE
CHOICE can be a noun, number or an expression that identifies the record you
want to access. FILE is the name of the file that is to be accessed.
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SEE ALSO: GET WAIT LOCK / GET NOWAIT LOCK THIS / BEGIN
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