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Most COBOL data files and most of the conversions DISC performs originate on EBCDIC machines, so our discussion assumes an EBCDIC platform. We will discuss some EBCDIC to ASCII conversion issues.
This tutorial teaches mostly by example, and progresses from basic rules to simple layouts to more complex layouts. Later examples build on previous examples. To read the article from the beginning, click on Part 1 below. If you only want to review a specific topic, click on the one of interest in the index below.
This tutorial consists of the following 7 sections:
|Part 1||COBOL Basics||Introduces you to the elements of a COBOL record layout.|
|Part 2||Simple COBOL Layouts||Presents some simple COBOL layouts and introduces the concept of groups.|
|Part 3||Redefined Fields||Discusses what redefined fields are and how they are used.|
|Part 4||Numeric Fields||Discusses several types of character and binary numeric fields, and the handling of signs and decimal points.|
|Part 5||Tables and Occurs||Introduces tables and the OCCURS and OCCURS DEPENDING ON clauses.|
|Part 6||Redefined Records||Discusses redefined records and multiple record types in a file.|
|Part 7||Conclusion||Conclusion, and notes from the author.|
For more articles on data conversion, see our TechTalk Index.
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