Tag Archives for " #snippet "

Using QSNRTVMOD to find the last displayed screen size

While I was writing that previous blog about handling wide fat screens I stumbled across another useful API (QSNRTVMOD) for retrieving the current screen mode that we are displaying. This means we could find our screen width programmatically. Why isnt that a word? I’m not too sure why anyone would want to do this but… […]

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Handling Fat screens in RPG with IBM i API’s QsnQryModSup and QuiLngTx

I was having a mini-rant earlier about the problems with the old 24×80 screen size. Basically, the newer wider 27×132 is much nicer ( we all know that ) but older 24×80 5250 sessions will get very upset when they try to display a menu or screen that is designed at the 132 characters wide […]

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Update an IBM i file with SQL cursor using SQLRPGLE WHERE CURRENT OF

Using SQL in RPGLE programs is easier than you think. Making the move from RPG native file IO to SQL database IO is really quite straightforward.  Changing from good old READE loops to SQL FOR Loops simply means using the SQL CURSOR function. SQL has a groovy way of referring to what the stuff that […]

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How to Debug HTTPAPI RPG Programs – dsplnk ‘/tmp/httpapi_debug.txt’

If you are using the IBM i HTTPAPI (LIBHTTP) opensource utilities, you already realize how easy it is to talk to an internet webservice from within your IBM i RPG programs. But sometimes even the best laid plans go wrong and thats when you need to learn how about the “debug HTTPAPI webservices” function. Assuming […]

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RPG Program Source Code – Clever or Clear?

I’ve been working on an interesting project focused on taking some old RPG code and re-factoring it to make it more efficient. Fascinating work for a client that is focused on doubling its IBM i throughput and reducing the CPU load of all its old programs. This has frequently made me choose between writing a […]

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