[racket] simple question

The following program works like a charm for me: 

(require htdp/convert)
(define (f2c x) 20)
(convert-file "in.dat" f2c "out.dat")

Where does yours fail? 


On Nov 24, 2010, at 10:20 PM, davidltaub at gmail.com wrote:

> Hi there, just cutting my teeth into programming (last time I did this was Pascal and Assembly with an old 6502 processor).
> 
> Here's my simple question: I am trying to create an executable file of the fahrenheit to celsius program (in version 2 of htdp), and getting the following error message:
> 
> 
> call-with-input-file: cannot open input file: "c:\program files (x86)\racket\collects\unstable\private\expand.rkt" (The system cannot find the file specified.; errno=2)
> 
> === context ===
> C:\Program Files (x86)\Racket\collects\racket\contract\private\arrow.rkt:1445:3
> C:\Program Files (x86)\Racket\collects\compiler\embed-unit.rkt:366:4: get-code
> C:\Program Files (x86)\Racket\collects\racket\private\map.rkt:45:11: for-each
> C:\Program Files (x86)\Racket\collects\compiler\embed-unit.rkt:366:4: get-code
> C:\Program Files (x86)\Racket\collects\racket\private\map.rkt:45:11: for-each
> C:\Program Files (x86)\Racket\collects\compiler\embed-unit.rkt:366:4: get-code
> C:\Program Files (x86)\Racket\collects\racket\private\map.rkt:45:11: for-each
> C:\Program Files (x86)\Racket\collects\compiler\embed-unit.rkt:366:4: get-code
> C:\Program Files (x86)\Racket\collects\racket\private\map.rkt:61:17: loop
> C:\Program Files (x86)\Racket\collects\compiler\embed-unit.rkt:366:4: get-code
> C:\Program Files (x86)\Racket\collects\racket\private\map.rkt:45:11: for-each
> C:\Program Files (x86)\Racket\collects\compiler\embed-unit.rkt:366:4: get-code
> C:\Program Files (x86)\Racket\collects\racket\private\map.rkt:45:11: for-each
> C:\Program Files (x86)\Racket\collects\compiler\embed-unit.rkt:366:4: get-code
> C:\Program Files (x86)\Racket\collects\racket\private\map.rkt:45:11: for-each
> C:\Program Files (x86)\Racket\collects\compiler\embed-unit.rkt:366:4: get-code
> ...
> 
> 
> I checked my file directory, c:\program files (x86)\racket\collects\unstable\private\expand.rkt
> 
> exists!
> 
> Anyone ever have this problem, thank you in advance,
> 
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