[racket] Behavior of file-exists? and directory-list

This last interaction shows "javaw.exe", whereas the others used
"java.exe". Is that difference significant?

As a wild guess, I wonder whether filesystem soft links might be
related, since I never got around to supporting those on Windows (sinc
they're relatively new to Windows).

At Thu, 6 Dec 2012 19:09:24 -0500, Tim Nelson wrote:
> It actually _is_ in my PATH already:
> 
> > (find-executable-path "javaw.exe")
> #<path:C:\Windows\system32\javaw.exe>
> > (getenv "PATH")
> "...;C:\\Windows\\system32;..."
> 
> (Other members of PATH omitted.) Weird, huh? Something is wonky. I even
> tried changing the capitalization of "system" on the off chance that case
> mattered, but nope.
> 
> Ben: Thanks for the ref. I should have thought to look at the C code.
>  (Would Racket blinders cause Racket to ignore some of its own code? ;-) )
> 
> On Thu, Dec 6, 2012 at 7:00 PM, Danny Yoo <dyoo at hashcollision.org> wrote:
> 
> >
> >
> > On Thu, Dec 6, 2012 at 4:22 PM, Tim Nelson <tbnelson at gmail.com> wrote:
> >
> >> Thanks for the hint Danny. I didn't know about that function... but I'm
> >> sorry to say that
> >>
> >> > (find-executable-path "java.exe")
> >> #f
> >>
> >> whereas from cmd:
> >> > where java
> >> C:\Windows\System32\java.exe
> >>
> >> so the command line knows about it, and I can use it, but it is concealed
> >> from Racket, even via find-executable-path. That's probably a more concise
> >> statement of my problem!
> >>
> >>
> > Ugh.  Ok, that was _supposed_ to work.
> >
> > Out of curiosity, what happens if you add C:\Windows\System32 to your PATH?
> >
> >  (I know that's not the right solution, and it sounds like there's some
> > Windows weirdness involved here.)
> >
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