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PRAGMA PROGRAM REFERENCE MANUAL
Index
All Operation

Expand All      ADDENDUM
EXTERNAL GET NOWAIT XGNW Standard Verb External File Access Operation
Target = REFERENCE (RF), EXTERNAL ECHO (XE), FILE STATUS (FST)

Retrieves a record from a file. If the record is 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.

EXTERNAL GET NOWAIT 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.


SEE ALSO: EXTERNAL GET WAIT / EXTERNAL GET NOWAIT LOCK / EXTERNAL BEGIN


 

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