Re: ILE RPG

Gade

At 08:47 PM 4/18/1998 EDT, you wrote:
>Hi Guys...What would be the easy to learn ILE RPG. I have been working in
>RPG/400 V3R1. Please let me know some good sites or books available in the
>market. 

I've a few suggestions:

1. "ILE Concepts", SC41-5606, one of the 'whitebook' manuals on the CD
library that comes with your machine.

2. "ILE Application Development Example", SC41-5602, another of the manuals.

3. "Moving to ILE RPG", GG24-4358, a "redbook" manual. It's from April, 1995.

4. These books, as well as others, are available on the 'Net by going to
<http://as400bks.rochester.ibm.com>. You can get regular manuals there in
PDF (Adobe Acrobat) format, which is beautiful for printing. Redbooks are
available there (and searchable) only in HTML format. **** A little trick
here—click on the print button and select all topics. You'll get a preview
in your browser. If you take the File Edit Page option (in Netscape, at
least) and save the HTML from the editor, you'll get everything—including
graphics. ****

5. The old reliables: <http://www.news400.com> and
<http://www.midrangecomputing.com> will have articles and links to other
resources. They also sell books and videos that may help.

6. IBM has a CBT course on ILE RPG. Comes with a diskette and a workbook. I
forget the name right now.

7. Go to <http://www.as400.ibm.com> and take the option to customize the
site (top menu bar). Once you do that, you can get to the "Technical
Studio", which has lots of stuff on all kinds of topics.

8. Use the AS400 command CVTRPGSRC or something like CVTILERPG (this
product, for only $300, does more than the native command, and is highly
configurable) to take some RPG III source and convert it. See what it does,
compare the 2 source members. Such commands make the transition more
manageable, IMO.

I think you can get a good start, just doing the conversions. Then get
going on D-specs, which encompass E- & I-specs, as well as data definitions
formerly found only in C-specs. BTW, CVTRPGSRC does _not_ convert any
C-spec data definitions to D-specs, where CVTILERPG does. Same for changing
relevant opcodes to EVALs. Ya pays ya money, ya takes ya choice. :-)

Then start to look at EVAL statements and free-form conditionals. This also
leads you on into built-in functions (BIFs) and other glories.

You'll eventually need to get into using multiple modules to create a
program object. This can very nicely use CL ILE, too. You'll also want to
look at service programs. (Done any C programming? Think *.o for modules,
*.dll for service programs, and linking for CRTPGM or CRTSRVPGM.)

There's so much to like in ILE RPG (kudos to Hans Boldt, et al.). Dive in!

Vernon Hamberg
Systems Software Programmer
Old Republic National Title Insurance Company
400 Second Avenue South
Minneapolis, MN  55401-2499
(612) 371-1111 x480


+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to MIDRANGE-L@midrange.com.
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---