Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.c > #76606

Re: dollar sign in variable name

From glen herrmannsfeldt <gah@ugcs.caltech.edu>
Newsgroups comp.lang.c
Subject Re: dollar sign in variable name
Date 2015-11-20 06:51 +0000
Organization Aioe.org NNTP Server
Message-ID <n2mft0$3g5$2@speranza.aioe.org> (permalink)
References <de259813-bcaf-4334-9fa8-a2cfff5d2251@googlegroups.com> <n2lpf3$aiu$1@dont-email.me> <de776ae5-d824-4039-a633-1ef7f45864c8@googlegroups.com> <a3bt4bdqaj0pvjmqm80jeut612dnliolmt@4ax.com>

Show all headers | View raw

Robert Wessel <robertwessel2@yahoo.com> wrote:

(snip on $ in names)

> I assume this is for some kind of mechanical translation process?
 
> Unless Fortran has suddenly started being case sensitive, I'd
> implement some sort of escape scheme.  Name all the Fortran variables
> something like F_, and then use the underscore character as a
> character escape in the name.

No, Fortran still isn't case sensitive but can still call C routines
that are. 

It is part of the C interoperability feature, I believe from 
Fortran 2003. 
 
> So a-z and 0-9 translate directly (as lower case letters), and _A, _B,
> _C... are for dollar sign, underscore, etc.  It's not super pretty,
> but it would be portable, and fairly obvious when being looked at.  Or
> just use the upper case letters as substitutes for the specials.

-- glen

Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

dollar sign in variable name Jay Braun <lyngwyst@gmail.com> - 2015-11-19 16:18 -0800
  Re: dollar sign in variable name BartC <bc@freeuk.com> - 2015-11-20 00:27 +0000
    Re: dollar sign in variable name Jay Braun <lyngwyst@gmail.com> - 2015-11-19 16:29 -0800
      Re: dollar sign in variable name Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-11-19 20:05 -0700
  Re: dollar sign in variable name Richard Heathfield <rjh@cpax.org.uk> - 2015-11-20 00:30 +0000
    Re: dollar sign in variable name Jay Braun <lyngwyst@gmail.com> - 2015-11-19 16:37 -0800
      Re: dollar sign in variable name Ian Collins <ian-news@hotmail.com> - 2015-11-20 13:42 +1300
        Re: dollar sign in variable name BartC <bc@freeuk.com> - 2015-11-20 00:47 +0000
          Re: dollar sign in variable name Philipp Klaus Krause <pkk@spth.de> - 2015-11-21 17:24 +0100
            Re: dollar sign in variable name Philip Lantz <prl@canterey.us> - 2015-11-22 15:37 -0800
      Re: dollar sign in variable name Robert Wessel <robertwessel2@yahoo.com> - 2015-11-19 23:22 -0600
        Re: dollar sign in variable name glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-20 06:51 +0000
    Re: dollar sign in variable name Keith Thompson <kst-u@mib.org> - 2015-11-20 03:32 -0800
    Re: dollar sign in variable name Ken Brody <kenbrody@spamcop.net> - 2015-11-23 13:27 -0500
  Re: dollar sign in variable name Barry Schwarz <schwarzb@dqel.com> - 2015-11-19 16:41 -0800
  Re: dollar sign in variable name glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-20 00:53 +0000
  Re: dollar sign in variable name Geoff <geoff@invalid.invalid> - 2015-11-19 21:40 -0800
  Re: dollar sign in variable name David Brown <david.brown@hesbynett.no> - 2015-11-20 11:04 +0100
  Re: dollar sign in variable name Jay Braun <lyngwyst@gmail.com> - 2015-11-20 06:35 -0800

csiph-web