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Re: TERPRI

From "B. Pym" <Nobody447095@here-nor-there.org>
Newsgroups comp.lang.lisp, comp.lang.scheme
Subject Re: TERPRI
Date 2025-07-11 08:01 +0000
Organization A noiseless patient Spider
Message-ID <104qgcc$1dbgg$1@dont-email.me> (permalink)

Cross-posted to 2 groups.

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Rob Warnock wrote:

> (running small "scripts" 100 times and histogramming the results), and I
> needed to sum the "user" and "system" times reported by the "csh" builtin
> "time" command (since the "total" time has one fewer digits of precision).
> Here's what I wrote:
> 
>     #!/usr/local/bin/cmucl -script
> 
>     ;;; Script to sum the first two times in a "csh" "time" output:
>     ;;;    0.046u 0.007s 0:00.06 66.6%     147+3008k 0+0io 0pf+0w
> 
>     (defun sum-u-s (line)
>       (+ (read-from-string line nil nil :start 0 :end (position #\u line))
>          (read-from-string line nil nil :start (1+ (position #\space line))
>                                         :end (position #\s line))))
> 
>     (loop for line = (read-line *standard-input* nil nil)
>           while line
>       do (format t "~5,3f~%" (sum-u-s line)))
> 
> Trivial? Yes, but it's what I needed at the moment, and it was the
> language I wa able to do it in fastest.

Gauche Scheme:

(until (read-line) eof-object? => line
  (with-input-from-string (regexp-replace-all #/[us]/ line "")
    (cut  print (+ (read) (read)))))

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Re: TERPRI "B. Pym" <Nobody447095@here-nor-there.org> - 2025-07-11 08:01 +0000
  Re: TERPRI "B. Pym" <Nobody447095@here-nor-there.org> - 2025-07-11 15:45 +0000

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