[racket] ffi-lib: couldn't open "libreadline.dll.5" - Windows XP

I edited my racketrc.rktl and the error is gone! 

Thanks Matthew!

In retrospect, I guess I'm used to the occasional readline issues on OS X and 
Linux in the past, so part of me is assuming that Windows works the same. Also 
the documentation for Racket isn't as verbose as some of the documentation I 
read, so I need to parse it better. 


Chris





________________________________
From: Matthew Flatt <mflatt at cs.utah.edu>
To: Chris Nelson <xradionut at yahoo.com>
Cc: users at racket-lang.org
Sent: Sat, January 1, 2011 9:30:47 AM
Subject: Re: [racket] ffi-lib: couldn't open "libreadline.dll.5" - Windows XP

At Sat, 1 Jan 2011 07:20:48 -0800 (PST), Chris Nelson wrote:
> I'm a new user of Racket just working through the introduction examples and 
> such. I've finished "Quick: An Introduction to Racket with Pictures" with 
> DrRacket and I'm attempting to complete More: "Systems Programming with Racket" 
>
> through cmd.exe.  However I'm receiving the following message after loading 
> Racket at the command line. 
> 
> --------------
> Welcome to Racket v5.0.2.
> ffi-lib: couldn't open "libreadline.dll.5" (The specified module could not be 
> found.; errno=126)
> --------------
> Readline does appear to be installed in my racketrc.rktl, and DrRacket aggrees 

> so maybe racket.exe is looking in a different path than DrRacket in Windows.

Readline isn't useful when using "cmd.exe" in Windows, because the
Windows command shell gives you readline-like functionality
automatically. There's a note to that effect before the
`install-readline!' example in "More", but maybe it needs to be more
clear that readline typically isn't available at all under Windows.

So, I think you want to just remove the `readline' loading from your
"racketrc.rktl".


      
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