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read in TeXmacs's Guile


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  • From: Wolfgang Lindner <address@hidden>
  • To: "address@hidden" <address@hidden>
  • Subject: read in TeXmacs's Guile
  • Date: Mon, 12 Dec 2022 16:11:19 +0100
Hi group,

Currently I work through the book of G Springer about Scheme using TeXmacs/Guile.
Until ch. 5 there were no problems and all programs run like a charm.

Now in Ch.6 about input/output I run into problems.
Here is a typical one.

;------------------------------------------------------------------
; - Program 6.6, pg. 174 -

(define read-demo
  (lambda ()
    (display "Enter data (enter done when finished): ")
    (let ((response (read)))
      (cond
        ((eq? response 'done) (display "Thank you. Good-bye."))
        (else (display "You entered: ")
              (write response)
              (newline)
              (read-demo))))))

; - End Program -
;------------------------------------------------------------------

Is it possible to use Texmacs-Guile interactive?
I know: use ‚format ..' instead of write/display ..

But what to do with (read) ??
How to work with user input and output?

Any hints or making the program about working are very welcome-

Best, Wolfgang


----
Dr. Wolfgang Lindner
Leichlingen, Germany
send from my iMac

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