Rational Developer for System z
COBOL for Windows, Version 7.5, Programming Guide


Valid COBOL statements for line-sequential files

The following table shows the possible combinations of input-output statements for line-sequential files. 'X' indicates that the statement can be used with the open mode shown at the top of the column.

Table 13. Valid COBOL statements for line-sequential files
Access mode COBOL statement OPEN INPUT OPEN OUTPUT OPEN I-O OPEN EXTEND
Sequential OPEN X X   X
WRITE   X   X
START        
READ X      
REWRITE        
DELETE        
CLOSE X X   X

related concepts
Line-sequential file organization
Sequential access


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