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AS/400 Programming
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RPG Nesting Source Print Utility
Question:
I recall in past years using a RPG source print utility that did a nice
job of showing structured programming nesting levels. I have need of
such a utility again but I am not sure where it came from. Does anyone
know if such a utility comes with OS/400 as an IBM supplied program or
is it something I have to get elsewhere or write myself. Any help on
this endeavor to find an easier way to see if I am missing an 'END'
statement prior to compiling the programs I am writing would be
sincerely appreciated.
Answer(s):
The various RPG compilers can do this (not really a part of OS, but it
sounds like you have them anyway). See the help text for the INDENT
keyword, which defaults to *NONE. You may want to try '|' or ':'
instead of just blank(s) for the indentation to see if you like it.
You can add GENLVL(0) for CRTRPGPGM to keep from actually creating the
program if it has at least one warning, or OPTION(*NOGEN) with
CRTBNDRPG or CRTRPGMOD if you are using RPG IV.
There have also been various user programs do to something similar,
but you asked for an IBM supplied method. An even better IBM supplied
method is to use the CODE/400 editor instead of SEU. It can display
the source with indentation much like the compiler printout, except
that it is nearly instantenous. It also has a host of other features
too numerous to mention.
The CODE/400 editor is now only available bundled with the Visual Age
for RPG compiler, although you don't need to use VARPG to make the
package worthwhile. An evaluation copy is available from IBM at
http://www.software.ibm.com/ad/varpg/
There is an indent (RPG & CL) utility at
Click on the programmer icon.
Also get the IFNUMB command while your there. It numbers 1B.. 1E etc.
the IF, DO ENDxxx etc.. statements making it very easy to find missing ends.
Many other as/400 commands are there (all free). Download the
auto -extraction program. Then download the source. Instructions are at
the top of each download explain the auto install procedure.
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