Post #1
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Sam
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Posts: 28
Joined: 07/01/2026, 02:30 PM
Posted: 07/25/2026, 09:34 AM
Keep seeing PERFORM 1000-INIT THRU 1000-EXIT. Why not just PERFORM 1000-INIT?
Keep seeing PERFORM 1000-INIT THRU 1000-EXIT. Why not just PERFORM 1000-INIT?
THRU runs from the first paragraph through the last one named, in source order. Old style wrapped a bunch of paragraphs as one unit ending at an EXIT paragraph.
Newer code often just PERFORM 1000-INIT with everything inside one paragraph or section. Both exist in the wild.
Watch GO TOs jumping out of a THRU range. That is how you get "fell through into the next paragraph" bugs.
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