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Michael Ryan wrote:
Why? What can I do in the cycle that I can't do without the cycle? How
does the cycle make the code more efficient? How does the cycle make
the code clearer to most folks? What's the advantage of using the
cycle?
Among other things, if you don't use The Cycle, you have to disable it,
one way or another. So if you've got some process that has to be applied
to every record of a file, why walk through the file when you can ride?
And if you have an interactive program that runs in a "do-until-done"
event loop, why bother explicitly disabling the one that's there
implictly, only to explicitly create one of your own?
What can you do in RPG that you can't do in PL/I? Or C? Or COBOL?
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