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Format 3 (TRANSACTION Files)

Description
In Format 3 of the OPEN statement, you must specify I-O with the OPEN keyword. The Format 3 OPEN statement can cause a program device to be implicitly acquired for a TRANSACTION file.
Format 3 (TRANSACTION Files)
 
               *---------*
               V         +
->->---OPEN I-O--file-name-*-----------------------------------><-
 

file-name

File-name designates a file upon which OPEN is to operate. If you specify more than one file, the files do not need to have the same organization or access. Each file-name must be defined in an FD entry in the Data Division, and must not name a sort or merge file. The FD entry must be equivalent to the information supplied when the file was defined.


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