374 lines
21 KiB
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374 lines
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD><DCB1>
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<20>߱<EFBFBD><DFB1><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>۱<EFBFBD>۱<EFBFBD><DBB1>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>۱<EFBFBD><DBB1><EFBFBD><EFBFBD><EFBFBD>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>
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***** O R *****
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
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<20> R E A L M E N P R O G R A M I N " C " <20>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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by
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John Richard De Palma
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Red haired Sandra is the manager of the local Egghead
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Software store. Gazing at her collection of software I said,
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"Hi Sandra, Uh... can you show me what books and software you
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have on learning to program in BASIC?"
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"No, no...NOOOO... John, you want this!" Sandra said, as she
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thrust an orange 10 pound box of manuals and disks into my arms.
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She gave me a beaming smile.
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She went on, "I studied Pascal and "C" in college for TWO
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years, no one, and I mean no one studies BASIC anymore, it's a
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dead programming language." She laughed, "Just as dead as
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learning Latin."
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"Well, Ah, hmmm...," I shifted my feet for better support
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and put down Borland's version of Turbo Pascal with a small
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grunt, "I studied Latin for two years, and it's not all that
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dead,". "You see, Latin teaches you to know intuitively many
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English prefixes, suffixes and many of the Romance language
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verbs and nouns...." my voice trailed off, even to me that
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sounded like an apology for spending two years learning about
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BIG Julie (aka Julius Caesar) and wars fought with catapults
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and giant slingshots.
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"Oh, don't be SILLY," Sandra said, "Here, if you don't like
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that, buy this, its C ++ with OOP."
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"I'm not even going to ask what "OOP" is, I said, just sell
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me something in BASIC," I sighed.
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"What KIND of basic programming do you want?" Sandra asked
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briskly, swiveling around to check on her employees and
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motioning to Brian to stop playing with the joystick and get back
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to work.
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"Well, hell, I DON'T KNOW, I just want to learn how to make
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my own programs like Paul Somerson does. If BASIC is good enough
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for him, it's good enough for me," my voice rising a half-octave.
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I started looking around for the IBM utilities section in the
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hopes of finding some box with basic BASIC information on it.
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There was no question that I knew NOTHING about programming.
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I was awkward and out of my depth. I knew nothing about
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programming except that it had to be better than using batch
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files to do things with MS-DOS. I was going to tell Sandra about
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batch files. Tell her about all the batch file programs that I
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had looked at that promised much and delivered little. I wanted
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to tell her about batch techniques that did not allow input into
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them except as parameters on the command line or by using the
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dopey "FOR" command or the klutzy "IF ERRORLEVEL" command. I
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wanted to tell her I wanted to make colorful screens with
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selections that could be input by cursor control. I wanted to be
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able to change directories, do file sorts... I wanted to
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understand how the computer worked and then tell it what to do.
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Hell and again hell, I wanted to control the computer software.
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Who's Paul Somerson?" Sandra queried. "Some computer
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propeller head in Santa Monica?"
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"Gad, Sandy, give me a break! Paul Somerson is the editor
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of my favorite PC bible, "DOS Power Tools," he programs in BASIC.
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Look...look, you have his book on your bookshelf right here.
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Wait... waaait, I'll find the section and read it to you. Come
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back here, Oh let Brian wait on that guy, this will only take a
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minute."
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I picked up the book, found the page and read from my hero
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Paul[1],
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"One of the nicest things about BASIC is that if you
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suddenly find yourself with a problem BASIC can tackle, you can
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load it, stumble your way through a program and emerge with a
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solution a few minutes later. So maybe your program wasn't the
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most elegant display of programming virtuosity; who cares as long
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as it worked?"
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Sandra went on, "Well shoot yourself...I mean suit yourself,
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heh, heh, a little joke there. BASIC is dumb and slow. Learn
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"C" or Pascal, I did when I went to UCLA. No one teaches that
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dumb stuff." Sandra was very convincing and convinced.
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Backed into a corner and now defending both Latin, a dead
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language and BASIC a dead programming language I asked, "Well, if
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that's true, let me ask you a couple of questions. Do you use a
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computer...? You do. Do you use a computer to do applications,
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spreadsheets and mathematics...? You do. Do you use ANY of the
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Pascal and "C" you learned to help you to doing things with these
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programs. You don't..? Why?"
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Sandra went on to tell me how hard it was to keep up these
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great skills she learned in college and that she really didn't
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have the time to program, or the interest. She freely admitted
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that though she studied programming for two years, she never used
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it outside of class. She glanced at the clock, at the three
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people questioning Brian all at the same time and gave me a book
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called "Learn BASIC Now." She said as she walked away, "BASIC,
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is too dumb, it's a wimpy language. You're wasting your time,
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you'll be sorry. It's really not even a HIGH language."
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Apparently I bought a peasant computer language of limited
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capacity for limited minds. If I wanted to be part of the
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intelligentsia, I should program in "C". At least in "C" if not
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in C ++ with OOP or in Pascal. So I went home, loaded the
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software and wrote my first BASIC program with Microsoft's Quick
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Basic 4.5 Interpreter. The program was one line of text which
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printed to the screen. Big deal, I want power and I get a batch
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file look alike.
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If I couldn't learn BASIC how could I learn these more
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elitist and complicated computer languages? I needed some
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verification and clarification. I began asking my friends about
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computer programming.
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Harry said, "Gosh John, I learned FORTRAN and COBOL when I
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was 17, wrote flocks of programs in them, nope don't know BASIC,
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it's too dumb and slow. What's that...do I ever USE FORTRAN and
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COBOL? No, not in years. What good was learning it then? What
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the !@#$%*!, kind of question is that!"
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Harry is always a little sensitive if you imply that he
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might be bragging. Harry is a card carrying elitist, he wouldn't
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be caught dead using such a peasant computer language as BASIC.
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Ray is different. Ray owns his own manufacturing company
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and has three Phd.s', a law degree, and went to medical school
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for three years. "Of course I can program in BASIC, John, don't
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be silly, that's child's play. But don't get too technical, it's
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been several years now, Hee Hee..., Ray chuckled.
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"Well Ray, that's great, I'm having a dickens of a time, I
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didn't realize that there was BASIC, BASICA, GWBASIC, PDB, and
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QUICK BASIC. What do all of these names mean and which BASIC
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should I learn?" I asked naively.
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Ray sputtered a fine spray just as he was tasting the wine.
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He ordered another bottle of Petite Sirah; and we were able to
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finish dinner with that question hanging like still smoke in the
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air.
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So it went on, if they did program "in the higher languages"
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of C, C +, Pascal they couldn't tell what and how they did the
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programming.
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"Well John why do you REALLY want to learn to program for,
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comm' on, tell me....comm' on...tell the truth," Marvin asked.
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Marvin programs in "C" and does programs in artificial
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intelligence and makes jokes about "the artificial
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intelligentsia."
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In desperation, I asked Marvin to write me a program that
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could be an all purpose tool, sort of a Swiss Army knife that
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would put up menus, take direct input from the keyboard, let you
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pick your colors, be user friendly, be modifiable, you know like
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software should be. Marvin said that I didn't really know what I
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wanted or, I wanted too much. Besides nobody programs in BASIC.
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So I went home and dragged out QUICK BASIC again and tried
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halfheartedly to learn something that no one knew about from
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books written by REAL "propeller heads." I read and reread the
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texts trying to UNDERSTAND what the writer was driving at.
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Unfortunately BASIC is mainly written by programmers who can
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write code but who can't write to communicate with humans.
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It was a sort of Zen, reading and not understanding. It was
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a sort of chant. Reading again and again such stuff as: "DATE$
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Statement sets the current date," and "DATE$ Function returns a
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string containing the current date," and "FUNCTION Statement
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Declares the name, parameters, and the code that form the body of
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a FUNCTION procedure.[2]" Well that is as clear as Zen, and like
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Zen you have to have a FEEL for the terms. As any Zen master
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will tell you once you have the answer to the question, you DON'T
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have the answer.
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QUICK BASIC is Zen, a doing without knowing. But I
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followed the instructions ---cook book style--- and a program
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could be made to do something. The sound of one hand clapping
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makes sense now. Trying to understand what is the meaning of the
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phrase, "What is the sound of one hand clapping?" is no more
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difficult than trying to understand books written by programmers.
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I would have given up too, except I was given a QUICK BASIC
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program that did something that I needed to have done. Pete
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programs in QUICK BASIC. Pete is probably the only person I know
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that REALLY programs anything for himself and he uses QUICK
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BASIC. We have a mutual interest and problem with some data
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collection and analysis. Pete had an answer to the problem and
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he had a real program that would give an answer all written in
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QUICK BASIC.
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"Now Pete, I WON'T steal this program. Also, I won't sell
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this program and make a million dollars on it (Well... at least
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not without giving you HALF). Yes, I promise, yes that's right,
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cross my heart and hope to die. And I won't give it to the
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Iraqis! Now will you please...please....PLEASE give me a copy to
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take home?"
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After whining and pleading that I would not sell his first
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born program into slavery or copyright it, he gave me a copy.
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That is another Zen portion of programming, you have to earn the
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knowledge yourself, no one can do it for you. Only with
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programmers it's worse than Zen, they won't give you a copy of
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what they know! I watched him pull up the file, run it through
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his compiler and give me code that would run by its self. It was
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like watching someone start a fire by using an ancient ritual, by
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using a bow and a stick. It was the dawn of civilization, the
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passing of knowledge, the starting of fire by friction. I was
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given a real stand-alone executable program written by a real
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person, Wow! After more whining he capitulated completely and
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gave me the SECOND file, the QUICK BASIC code file.
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I put the diskette in my shirt pocket, it was too important
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to place it anywhere's else. That night I ran it inside of my
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QUICK BASIC compiler. Gadsooks! it worked! The damn thing
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calculated and printed the results out lightening fast and it was
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information that I could really use.
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Zen, part two, you can't learn something you have no use
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for. That's what Sandra, Harry, Ray and all the others were
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talking about. They wrote programs in class on problems that
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they were given, not on problems they wanted solutions for
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themselves. That's why learning programming is like Zen, it is
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meaningless unless you have some use for the knowledge (which is
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both very much like and UNLIKE Zen).
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Good ole Paul Somerson was right. First, you need a project
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that you really...really want to do. Then use the books to look
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up the procedures to do the project with. Just learning all 190
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QUICK BASIC commands won't cut it. You have to use it ...or lose
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it!
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I went back to Egghead Software; Sandra and Brian had moved
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on. Scott and Lance programmed in Pascal. I asked them if there
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was anything new in QUICK BASIC that was fun. Lance gave me
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Microsoft's GAMESHOP. It came with the same book that I already
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had, but the software contained 6 games which could be run inside
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of QUICK BASIC, the code could be examined. With much head
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scratching and replaying you could actually figure out how the
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programmers did what they did. Again, like Zen you must
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persevere, be tested, try and fail, try and fail, knowledge
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doesn't come easily. But everyone likes to play games, so it
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wasn't all Zen.
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That was a month ago, and though it is still slow going, I
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am making progress. Pete and GAMESHOP gave me hope. I have
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uploaded two programs to CompuServe as shareware. The first
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program has attracted two dozen downloads in two weeks. Not
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|||
|
great, but a start and this is also Zen; you work and study long
|
|||
|
for small (or no) rewards. I guess some modem users downloaded
|
|||
|
the program because it was simple, colorful, and played a song.
|
|||
|
Nothing grand, just a program called BIRTHDAY.ZIP that puts up
|
|||
|
colored boxes on the screen, accepts user input, and plays "Happy
|
|||
|
Birthday" if the computer clock reads the same day and month as
|
|||
|
the ones you type in. If it's not your birthday, it flashes
|
|||
|
different colors and plays "Happy Unbirthday."
|
|||
|
|
|||
|
Some one laughed when I played the program for them and
|
|||
|
jokingly asked to see it display the EXACT age of anyone whose
|
|||
|
birthday was not the day it was run. He also wanted something
|
|||
|
that would distinguish if the person inputting the data was young
|
|||
|
or old (over or under 21).
|
|||
|
|
|||
|
That was beyond my ability, but then I found, if you looked
|
|||
|
hard enough, someone had already done some of these things in
|
|||
|
QUICK BASIC or BASICA. I found a Julian (named after Big Julie
|
|||
|
no less) calendar function which does just that, and added it to
|
|||
|
the program. After struggling to add that formula, it was easy
|
|||
|
to figure out a "LOOP" that would change a phrase depending on
|
|||
|
what the person's age was. Though the latter was simple math, it
|
|||
|
had been years since I had been forced to do any thinking about
|
|||
|
mathematics. Zen and math have a lot in common, but that is
|
|||
|
another story.
|
|||
|
|
|||
|
With a program that calculated the person's exact age, every
|
|||
|
young woman that played the program exclaimed "<Gasp>, that's
|
|||
|
wrong I am NOT 29.078345 years old!" if that was her exact age.
|
|||
|
I now warn women over 30 that this might be a traumatic event as
|
|||
|
the computer will calculate their exact age, but they sail
|
|||
|
blithely ahead, not believing that it will happen. All in all, a
|
|||
|
lot of fun and some insight into human nature.
|
|||
|
|
|||
|
The second program, FOR-LISA.ZIP uses random number formulas
|
|||
|
to generate screen colors, changes the screen to 40 characters
|
|||
|
wide, and displays more ASCII graphics. This one plays a
|
|||
|
Beethoven sonata and takes advantage of some great 1982 music
|
|||
|
programming in BASICA that I found on a BBS. Again, I generated
|
|||
|
simple mathematical formulas to do the work of many lines of
|
|||
|
code. Another secret of programming which could only be
|
|||
|
uncovered by doing. Zen is doing and not doing.
|
|||
|
|
|||
|
So, nothing sensational, but now my batch files are getting
|
|||
|
a once over with this new knowledge. Now I realize that the
|
|||
|
macros in Microsoft Word, WordPerfect, and the script in ProComm
|
|||
|
Plus are written in BASIC. Now these macro formulas make sense!
|
|||
|
There has been a mystic clarification of macros, again like Zen
|
|||
|
what you learn affects other areas of knowledge.
|
|||
|
|
|||
|
I am thinking of ordering from Crescent Software[3] a QUICK
|
|||
|
BASIC package that allows you to program mice, windows,
|
|||
|
accounting, and databases. Now I have hope, and that also is
|
|||
|
Zen. Yeah, nothing sensational unless you thought that BASICA
|
|||
|
was another name for Zen and that "Real Men only program in C."
|
|||
|
|
|||
|
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ
|
|||
|
<20> <20> <20> REFERENCES <20> <20> <20>
|
|||
|
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
|
|||
|
|
|||
|
|
|||
|
(1) Somerson, Paul, PC Magazine Power Tools 2nd Edition,
|
|||
|
Bantam Books, 1990 June;1157.
|
|||
|
|
|||
|
(2) Microsoft, Programming in QuickBASIC Version 4.5,
|
|||
|
1988;270-1.
|
|||
|
|
|||
|
(3) Crescent Software, Inc; 32 Seventy Acres, West Redding,
|
|||
|
Connecticut 06896; VOICE: 203-846-2500.
|
|||
|
|
|||
|
|
|||
|
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
|
|||
|
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> THE AUTHOR <20> <11><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ
|
|||
|
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
|||
|
|
|||
|
The author, John Richard De Palma is a California
|
|||
|
physician who practices adult internal-medicine and
|
|||
|
nephrology (kidney diseases and treatment of kidney disease
|
|||
|
by the artificial kidney). He is the CEO of a health-care
|
|||
|
company based in Glendale, California called Hemodialysis,
|
|||
|
Inc. Though he is old enough to know better, he has decided
|
|||
|
to study computers; including the art and science of
|
|||
|
programming. All the conversations and facts in his articles
|
|||
|
are true, only the identities and locations have been
|
|||
|
changed to protect the unknowing and innocent who talk
|
|||
|
to him.
|
|||
|
|
|||
|
He has written over 130 research papers and editorials
|
|||
|
in the field of medicine and nephrology. He continues
|
|||
|
to write and is the "Contemporary Issues Editor" of the
|
|||
|
magazine CONTEMPORARY DIALYSIS & TRANSPLANTATION. All
|
|||
|
comments and opinions are his own and reflect his own
|
|||
|
experiences and thinking processes.
|
|||
|
|
|||
|
He would welcome any thoughts, comments, criticisms,
|
|||
|
spelling corrections, or QUICK BASIC code that is under-
|
|||
|
standable by an ordinary mortal. He looks forward to
|
|||
|
receiving any kind of reader's mail. He can be reached by
|
|||
|
dialing CompuServe's E-Mail service and leaving a message
|
|||
|
there for him. His CompuServe number is: 76076,571.
|