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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 WAIT LOCK NEXT
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GWLN
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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 the next record from a file and locks the record. If the record is
already locked by another user, it waits until the record becomes free.
This is particularly useful after having positioned the file pointer directly
ahead of a record with the verb BEGIN.
The reference of the record is written to the target noun REFERENCE.
The noun EXTERNAL ECHO contains the status message of the file operation.
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GET WAIT 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: GET NOWAIT LOCK NEXT / GET WAIT FIRST / BEGIN
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