Look at the PPFA  manual.

 

Joe.
 
> Date: Mon, 1 Mar 2010 14:44:58 -0800
> From: [email protected]
> Subject: Re: PAGEDEF Coding
> To: [email protected]
> 
> Could someone give me a synopsis of what this block of code does
> so I can see if I'm starting to understand?
> 
> PRINTLINE CHANNEL 2;
> POSITION 10 MM 260 MM
> COLOR BLUE REPEAT 2;
> CONDITION PAGE2 START 1 LENGTH 1
> WHEN GE X'00' AFTER SUBPAGE
> NULL PAGEFORMAT PG2;
> ENDSUBPAGE; 
> 
> PAGEFORMAT PG2;
> ....
> 
> My best guess from a quick read of the manual is;
> PRINTLINE retrieves and prints the next line from the input data file
> CHANNEL 2 identifies where the carriage control character is and
> acts accordingly
> CONDITION (named PAGE2) checks the first character (for a length of 1)
> And WHEN it this character is > or = to hex '00' it does ... 
> (I sort of lose it here)
> I guess it does the NULL PAGEFORMAT PG2 AFTER it prints the line???
> 
> Thanks for any insights
> Bill
> 
> 
> 
> 
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