38 lines
939 B
Scheme
38 lines
939 B
Scheme
;;; TAIL -- One of the Kernighan and Van Wyk benchmarks.
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(define inport #f)
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(define outport #f)
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(define (readline port line-so-far)
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(let ((x (read-char port)))
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(cond ((eof-object? x)
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x)
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((char=? x #\newline)
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(list->string (reverse
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(cons x line-so-far))))
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(#t (readline port (cons x line-so-far))))))
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(define (tail-r-aux port file-so-far)
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(let ((x (readline port '())))
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(if (eof-object? x)
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(begin
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(display file-so-far outport)
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(close-output-port outport))
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(tail-r-aux port (cons x file-so-far)))))
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(define (tail-r port)
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(tail-r-aux port '()))
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(define (go)
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(set! inport (open-input-file "../../src/bib"))
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(set! outport (open-output-file "foo"))
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(tail-r inport)
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(close-input-port inport))
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(define (main . args)
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(run-benchmark
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"tail"
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tail-iters
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(lambda (result) #t)
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(lambda () (lambda () (go)))))
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