How to review COBOL program

Sr.Developers main task is reviewing COBOL programs. The main point is as a reviewer you need to know points to consider for review.

  1.  First point is change log . The developer should write change log and his tag in change history
  2. Code alignment in the program. Beginning from ID division till exit-program or stop -Run,developer has to write program in such a way that readable to others
  3. Always look for , if developer commented out old code, with proper developer tag. Once review is done, he can remove old code.
  4. Program is written in top down approach or not
  5. The new changes should not damage old logic
  6. Evaluate and if condions should be reviewed carefully. Especially ‘and’, ‘or’ conditions.
  7. In the Copy books you need to review Redefine clauses properly. Else, the data may be overlapped with wrong data
  8.  Finally to verify if program is compiled and load module is created successfully.
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Author: Srini

Experienced software developer. Skills in Development, Coding, Testing and Debugging. Good Data analytic skills (Data Warehousing and BI). Also skills in Mainframe.