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  • Two A-maze-ing Programs

    December 17, 2008 Ted Holt


    Note: The code accompanying this article is available for download here.

    My family and I are preparing to celebrate Christmas. I’m enjoying the lights, the carols, and the decorations. I feel festive. I feel like doing something just for fun. Thus, the two programs I wrote for today’s Four Hundred Guru are of no practical value of which I’m aware, but goodness, did I have fun writing them!

    Consider the following text file, the contents of which is a maze.

    IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
    IB             I         I I I         I
    IIIIIIIIIIIIII I IIIIIII I I   II IIIIII
    II             I I       I I 
    …

    Read more
  • End-of-Year Odds and Ends

    December 17, 2008 Timothy Prickett Morgan

    Merry Christmas, intelligent i professional! Let’s end the year with a few little tips, including two unusual ways to use OPNQRYF’s %ABSVAL function from reader Victor Pisman. May 2009 be the best year ever for all of us.

    –Ted

    Run Qshell from CL Procedures

    Q: Do you have a simple example of using Qshell with a script? I think I can muddle through setting up the script. I am unsure of how to call it from a CL procedure.

    A: You can use the dot utility to run a script that you’ve created in the IFS. This command

    …

    Read more
  • Admin Alert: Upcoming i5/OS and AnyNet End of Service Dates

    December 17, 2008 Joe Hertvik

    To finish out 2008, let’s look ahead to some upcoming end of service dates that can affect shops running i5/OS V5R3 in 2009 and shops that are still using AnyNet to connect older twinax-based printers and other devices to System i and Power i machines. If you’re in these categories, you should be aware of the following issues.

    A New Year, A New i5/OS Upgrade?

    If any of your partitions are running i5/OS V5R3, be aware that IBM will discontinue support for i5/OS V5R3 on April 30, 2009. Of course, this doesn’t mean that your software will no longer work.

    …

    Read more

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