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REXX That's Sensitive To Where It's Called From
I have REXX code that can be called directly by TSO (in DD SYSTSIN data) or else by another REXX function. I want it to behave differently in each case: If called directly from TSO I want it to print something. If called from another function I want it to return some values to the calling function. So I thought about how to do this. The answer’s quite simple: Use the parse source command and... [More]
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Setting Arbitrary Variables In A REXX Procedure That Persist After It Completes
Over the weekend I decided to try my hand at writing a JSON parser in REXX. I developed the technique outlined in this post to enable me to do that. I think it's new. Certainly I've not seen it before. (I don't want at this point to get into a discussion about why JSON parsing might be a useful thing to do. Suffice it to say it is possibly going to be second only to XML as a common data format in... [More]
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