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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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EXTERNAL GET NOWAIT LOCK NEXT
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XGNLN
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Standard Verb
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External File Access Operation
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Target = REFERENCE (RF), EXTERNAL ECHO (XE), FILE STATUS (FST)
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Retrieves the next 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.
This is particularly useful after having positioned the file pointer directly
ahead of a record with the verb EXTERNAL BEGIN.
The reference of the record is written to the target noun REFERENCE.
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EXTERNAL GET NOWAIT LOCK NEXT in file FILE
FILE is the name of the file whose NEXT record is to be accessed and locked.
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SEE ALSO: EXTERNAL GET WAIT LOCK NEXT / EXTERNAL GET NOWAIT FIRST / EXTERNAL BEGIN
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