Abstract
Previous chapters introduced the mechanics of creating and reading sequential files. This chapter introduces the two most important sequential-file processing problems: control breaks and the file update problem.
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- 1.
Michael Jackson. Principles of Program Design. Academic Press, 1975.
- 2.
The Three Level Subtotal (Control Break) COBOL Program, TheAmericanProgrammer.Com, http://theamericanprogrammer.com/programming/08-brklv3.shtml .
- 3.
Barry Dwyer. 1981. One more time — how to update a master file. Commun. ACM 24, 1 (January 1981), 3-8. DOI=10.1145/358527.358534 http://doi.acm.org/10.1145/358527.358534 .
- 4.
Dijkstra, E.W. A Discipline of Programming. Prentice-Hall, Englewood Cliffs, N.J.,1976.
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© 2014 Michael Coughlan
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Coughlan, M. (2014). Processing Sequential Files. In: Beginning COBOL for Programmers. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4302-6254-1_10
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DOI: https://doi.org/10.1007/978-1-4302-6254-1_10
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