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Ingy döt Net 2013-10-27 22:24:23 +00:00
parent 6f050a029e
commit 776bba907c
3887 changed files with 59894 additions and 7280 deletions
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Task/Update-a-configuration-file/Racket/update-a-configuration-file.rkt Normal file
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#lang racket
(require "options.rkt")
(read-options "options-file")
(define-options needspeeling seedsremoved numberofbananas numberofstrawberries)
;; Disable the needspeeling option (using a semicolon prefix)
(set! needspeeling #f)
;; Enable the seedsremoved option by removing the semicolon and any
;; leading whitespace
(set! seedsremoved ENABLE)
;; Change the numberofbananas parameter to 1024
(set! numberofbananas 1024)
;; Enable (or create if it does not exist in the file) a parameter for
;; numberofstrawberries with a value of 62000
(set! numberofstrawberries 62000)