DrRacket Help - Dev Shed

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January 18th, 2011, 11:35 AM

soC0pth

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Join Date: Jan 2011

Location: California

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DrRacket Help

I am trying to teach myself programming using the "How To Design Programs" book which utilizes DrRacket. I am trying to complete an exercise where you define a program that converts Fahrenheit to Celsius, I got everthing to work except the file conversion, where it takes data from a file "in.dat" , converts the numbers and writes them to a new file "out.dat" When I run the command it looks like it is successful but then I go to the file, and there is no "out.dat" doc. Can someone tell me what is wrong?

Code:

 (define (Fahrenheit->Celsius f)
    (/ (* (- f 32) 5) 9))



(convert-file "in.dat" Fahrenheit->Celsius "out.dat")

October 22nd, 2011, 12:39 AM

kody.dalin

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is that everything?

Quote:

Originally Posted by soC0pth

Code:

 (define (Fahrenheit->Celsius f)
    (/ (* (- f 32) 5) 9))



(convert-file "in.dat" Fahrenheit->Celsius "out.dat")

is this your entire code? if so i beleive that may be the issue. i only gave that section a brief glance but it looked like three functions were required to fully preform this task. i hoep this helps!

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