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Re: CGI???

From: Chris Adie <C.J.Adie@ed.ac.uk>
Date: Fri, 17 Nov 1995 11:12:54 +0000
Message-Id: <9511171109.AA07378@www10.w3.org>
To: Mike Meyer <mwm@contessa.phone.net>
Cc: www-talk@w3.org
Mike Meyer <mwm@contessa.phone.net> wrote:
> Now, pull that thought I asked you to hold. Are there any existing CGI
> implementations that don't use the standard I/O streams? Are there any
> existing CGI applications that won't break on a server that chooses
> not to implement the two streams in that way? This also breaks
> existing applications.

Yes, there are certainly CGI implementations in use right now which don't use
stdio streams - for example, CGI scripts using Visual Basic (which has no
concept of stdin/stdout), or scripts implemented as DLLs.  DLLs don't use
environment variables either.  This is not perversity, it is just that those
mechanisims are not appropriate to these types of script.

I believe it is very important to keep the CGI standard as general as
possible.  The standard should not include *any* reference to implementation
details of how the server identifies and communicates with the CGI program.
Separate platform-specific specs should do that.  So, avoid
implementation-specific terms like "environment variables", and call them
(say) "CGI variables" instead. 


Chris Adie                                   Phone:  +44 131 650 6773
Edinburgh University Computing Service       Fax:    +44 131 650 6552
James Clark Maxwell Building                 Email:  C.J.Adie@ed.ac.uk
Kings Buildings
Edinburgh EH9 3JZ, United Kingdom            
Received on Friday, 17 November 1995 06:10:08 UTC

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