How to Create VB file Using Varying Clause in COBOL

Here is a way to create VB files in COBOL using Varying clause.

VB Files in COBOL

FD  I-BACKUP-BILL-FILE
 RECORDING MODE IS V
 RECORD IS VARYING FROM 1 TO 14600 CHARACTERS
 DEPENDING ON BP-REC-LENGTH.
 01  I-BP-REC           PIC X(14600).
..

and, BP-REC-LENGTH can be defined as …..

01 BP-REC-LENGTH     PIC 9(4)  Value Zero Comp Sync.

For VB files the above code is simple and efficient.

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Srini

Data Engineer with deep AI and Generative AI expertise, crafting high-performance data pipelines in PySpark, Databricks, and SQL. Skilled in Python, AWS, and Linux—building scalable, cloud-native solutions for smart applications.