> Date: Fri, 5 Mar 2004 09:34:44 -0600 (GMT-06:00)
> From: "Julian Wolfe (FireflyST)"
> To: firstname.lastname@example.org
> Subject: WTF-77? (Fortran newbie post)
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> Thanks again to you all on my previous posts.
> I just went up to the library where I work (I work at the College of
> Lake County in IL) and they had a ton of oldschool computing books
> about mainframes etc, and many about older languages like Fortran
> and Algol. So I grabbed one of the circa-1980 books on Fortran 77,
> and all it talked about was cards, cards, cards! Frankly, I know that
> the card punch is as "retro" as it gets, but I hate the things and
> have no interest in acquiring one. As I went through other F77 books,
> they all were referring to the same stuff.
> Can someone help me out in getting started using Fortran, or at least,
> what to do with all this info regarding punch cards? The books say
> things like "If you are using an interactive or real-time system, simply
> adapt this information to fit those needs", but it doesn't say how to!
I thought offhand that cards went out before F77 came in. But maybe
the book authors hadn't kept up. I last used cards with F63.
Short summary: a Fortran source file is a text file, and can be prepared
on your "interactive or real-time" computer using the text editor of
your choice, saved as a disk file, and then submitted to the compiler.
If you wish, you can count out the columns as specified in the book.
Col <1-5> Statement Number (if any)
Col 6 Continuation mark (if any)
Col <7-71> Source Text
Col <73-80> reserved for card sequence number
All the implementations of Fortran that I have seen for computers
that have serial terminals, text editors, etc. rather than card readers
have a more free-form input style:
Re: WTF-77? (Fortran newbie post)
In article <200403060127.i261Rrv13415@opihi.ucsd.edu>,
Carl Lowenstein writes:
> I thought offhand that cards went out before F77 came in. But maybe
> the book authors hadn't kept up. I last used cards with F63.
I was still using cards on the IBM 4331 in 1980 and then when I moved
to the UNIVAC 1100 we used cards at least through 1984 when I left
the Mainframe world. I would imagine card systems stuck around for
even a while after that.
Bill Gunshannon | de-moc-ra-cy (di mok' ra see) n. Three wolves email@example.com | and a sheep voting on what's for dinner.
University of Scranton |
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