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Re: fortran 77 errors

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From blmblm@myrealbox.com <blmblm.myrealbox@gmail.com>
Newsgroups comp.programming
Subject Re: fortran 77 errors
Date 24 Jun 2011 20:09:09 GMT
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In article <l1m707dl76gb95j3o24knqui1entcjhfj9@4ax.com>,
Geoff  <geoff@invalid.invalid> wrote:
> On Thu, 23 Jun 2011 17:45:04 -0400, "Bill Cunningham"
> <nospam@nspam.invalid> wrote:
> 
> >Geoff wrote:

[ snip ]

> >    Well here's a paste of stderr in bash from my linux machine. I don't 
> >know what it's trying to say.
> >
> >g.f:1:
> >   1 program hello
> >     ^
> >Non-numeric character at (^) in label field [info -f g77 M LEX]
> >g.f:2:
> >   2 print *,'hello world'
> >     ^
> >Non-numeric character at (^) in label field [info -f g77 M LEX]
> >g.f:3:
> >   3 stop
> >     ^
> >Non-numeric character at (^) in label field [info -f g77 M LEX]
> >g.f:4:
> >   4 end
> >     ^
> >Non-numeric character at (^) in label field [info -f g77 M LEX]
> >
> >Bill
> >
> 
> You un-indented the code and removed the line numbers. If you had
> copied it exactly it might have worked but you modified it.
> 
> A significant difference between Fortran77 and C is that in Fortran,
> position of the characters in the lines is very important, spaces must
> be correct or it's an error and only certain characters can exist in
> certain columns. In C, white space is essentially ignored by the
> compiler except to separate tokens so you are free to space your code
> any way you like.
> 
> Go back to C++ and be happy. Forget ancient languages.

Or if FORTRAN 77 appeals to you because of its simplicity, you
might try writing F77 code but using the "free-form" syntax of 
"modern" Fortran (Fortran 90 and beyond) and compiling with the
"-ffree-form" option.  I tried this with your version of Geoff's
example, and while the f77 on my Linux system complained about
the "c" comments, once I changed "c" to "!" the code compiled okay.

Just sayin', maybe, since I'm not really optimistic that you'll
get on any better with any version of Fortran than you've done
with C.  But there's something to be said for persisting in the
face of adversity, maybe.

-- 
B. L. Massingill
ObDisclaimer:  I don't speak for my employers; they return the favor.

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fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-22 16:43 -0400
  Re: fortran 77 errors James Waldby <not@valid.invalid> - 2011-06-22 21:18 +0000
    Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-22 18:31 -0400
      Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-22 17:21 -0700
        Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-22 20:50 -0400
          Re: fortran 77 errors Ian Collins <ian-news@hotmail.com> - 2011-06-23 14:58 +1200
            Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-23 00:27 -0400
              Re: fortran 77 errors blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-23 17:07 +0000
                Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-23 16:53 -0400
                Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-23 14:05 -0700
                Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-24 17:58 -0400
                Re: fortran 77 errors "robin" <robin51@dodo.mapson.com.au> - 2011-06-27 17:04 +1000
          Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-23 12:34 -0700
        Re: fortran 77 errors blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-23 17:06 +0000
        Re: fortran 77 errors "robin" <robin51@dodo.mapson.com.au> - 2011-06-27 17:01 +1000
          Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-28 06:39 -0700
  Re: fortran 77 errors free@securityaudit.val.newsbank.net (Dick Wesseling) - 2011-06-23 00:43 +0000
    Re: fortran 77 errors "Ant" <not@home.today> - 2011-06-23 02:38 +0100
    Re: fortran 77 errors "robin" <robin51@dodo.mapson.com.au> - 2011-06-27 17:07 +1000
  Re: fortran 77 errors Geoff <geoff@invalid.invalid> - 2011-06-23 00:47 -0700
    Re: fortran 77 errors Geoff <geoff@invalid.invalid> - 2011-06-23 00:55 -0700
      Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-23 04:16 -0400
        Re: fortran 77 errors Ike Naar <ike@sverige.freeshell.org> - 2011-06-23 09:23 +0000
          Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-23 06:55 -0700
            Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-23 07:02 -0700
            Re: fortran 77 errors Rui Maciel <rui.maciel@gmail.com> - 2011-06-23 15:22 +0100
              Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-23 08:19 -0700
                Re: fortran 77 errors Geoff <geoff@invalid.invalid> - 2011-06-23 08:52 -0700
                Re: fortran 77 errors blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-23 17:32 +0000
                Re: fortran 77 errors Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-06-23 22:39 +0100
                Re: fortran 77 errors blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-24 20:08 +0000
                Re: fortran 77 errors Rui Maciel <rui.maciel@gmail.com> - 2011-06-23 19:38 +0100
              Re: fortran 77 errors "osmium" <r124c4u102@comcast.net> - 2011-06-23 10:25 -0500
                Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-23 09:47 -0700
                Re: fortran 77 errors blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-23 17:30 +0000
                Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-23 17:30 -0400
                Re: fortran 77 errors Dan <dantex1@aol.com> - 2011-06-25 10:10 -0700
                Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-28 11:21 -0400
                Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-28 09:40 -0700
                Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-28 17:59 -0400
                Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-28 15:21 -0700
              Re: fortran 77 errors "robin" <robin51@dodo.mapson.com.au> - 2011-06-28 00:43 +1000
                Re: fortran 77 errors Rui Maciel <rui.maciel@gmail.com> - 2011-06-28 11:40 +0100
                Re: fortran 77 errors "robin" <robin51@dodo.com.au> - 2011-07-05 09:06 +1000
          Re: fortran 77 errors "robin" <robin51@dodo.mapson.com.au> - 2011-06-28 00:41 +1000
        Re: fortran 77 errors Rui Maciel <rui.maciel@gmail.com> - 2011-06-23 12:12 +0100
        Re: fortran 77 errors Geoff <geoff@invalid.invalid> - 2011-06-23 06:52 -0700
          Re: fortran 77 errors "Bill Cunningham" <nospam@nspam.invalid> - 2011-06-23 17:45 -0400
            Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-23 15:30 -0700
            Re: fortran 77 errors Geoff <geoff@invalid.invalid> - 2011-06-23 17:25 -0700
              Re: fortran 77 errors Patricia Shanahan <pats@acm.org> - 2011-06-24 10:35 -0700
              Re: fortran 77 errors blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-24 20:09 +0000
            Re: fortran 77 errors Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-06-24 01:38 +0100
    Re: fortran 77 errors "robin" <robin51@dodo.mapson.com.au> - 2011-06-27 17:10 +1000
  Re: fortran 77 errors kym@kymhorsell.com - 2011-06-23 21:23 +0000
  Re: fortran 77 errors "robin" <robin51@dodo.mapson.com.au> - 2011-06-27 17:13 +1000

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