Murach's Mainframe COBOL |
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| Chapter 13 | How to work with sequential files | |
| COBOL for fixed-length records | 354 | |
| How code select and FD statements | 354 | |
| How to code Procedure Division statements | 356 | |
| How to work with file status codes | 358 | |
| A sequential update program | 360 | |
| The program specifications | 360 | |
| The test data and matching record logic | 362 | |
| The structure chart | 364 | |
| The COBOL code | 366 | |
| A sequential maintenance program | 372 | |
| The program specifications | 372 | |
| The test data and matching record logic | 374 | |
| The structure chart | 376 | |
| The COBOL code | 378 | |
| Special considerations for sequential update and maintenance programs | 386 | |
| Error processing for I/O operations | 386 | |
| Testing and debugging | 388 | |
| Design alternatives | 390 | |
| COBOL for variable-length records | 392 | |
| How to code FD statements | 392 | |
| How to write to a file that contains record types with different lengths | 394 | |
| How to process a file that contains record types with different lengths | 396 | |
| How to write records with a varying number of segments | 398 | |
| How to process records with a varying number of segments | 400 | |
| Perspective | 402 | |
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© Copyright 1998-2009 Mike Murach & Associates, Inc. All rights reserved. |
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