Reader Feedback and Insights: RPG Compiler Directives and V4

December 13, 2002 Timothy Prickett Morgan

Hey, Ted:

I tried your tip about compiler directives (“Compiler Directives for RPG Programs and Modules “), and it worked great.

However, my shop runs V4R5M0, so I checked the PTF. It is now superseded by SF66841.

SEU does not like the “/include” directive, even though the RPG compiler takes it. Do you know of a PTF to update SEU?

— Howard

Thanks for the updated PTF number.

As far as I know, SEU is not going to recognize the directives, even though the compiler will.

— Ted

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Ensuring Valid XML Content

December 13, 2002 Timothy Prickett Morgan

Hey, David:

I will preface this email by saying that my knowledge of XML is limited, but I’ve been able to use the Xerces parser to move XML data to a physical file using QSH/Java.

Now, if you’re receiving an XML file from a customer, how do you guarantee that the customer’s XML document references your external DTD? What would prevent the customer from embedding an “invalid” DTD in the XML document?

— Chris

The problem you describe is one of the limitations you have to deal with when you use a Document Type Definition (DTD) to validate XML documents.

Spacing between Concatenated Strings

December 13, 2002 Timothy Prickett Morgan

Dear Readers:

A neat feature of RPG’s CAT op code that I have used from time to time is its ability to insert a specified number of blanks between two concatenated values. The number of blanks is specified in Factor 2, following a string and a colon (:). The new way to concatenate in RPG is by using the plus sign (+) operator, but the plus sign doesn’t support the specified number of blanks option. One reader has developed a solution, and today I pass it along to you.

— Ted

Hey, Ted:

Sometimes when I’m concatenating strings together using