54 lines
2.5 KiB
Scheme
54 lines
2.5 KiB
Scheme
;;; SPAN.scm - Scheme Perl Archive Network
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;;;
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;;; Copyright (c) 2011-2012 Johan Ceuppens
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;;;
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;;; All rights reserved.
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;;;
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;;; Redistribution and use in source and binary forms, with or without
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;;; modification, are permitted provided that the following conditions
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;;; are met:
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;;; 1. Redistributions of source code must retain the above copyright
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;;; notice, this list of conditions and the following disclaimer.
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;;; 2. Redistributions in binary form must reproduce the above copyright
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;;; notice, this list of conditions and the following disclaimer in the
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;;; documentation and/or other materials provided with the distribution.
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;;; 3. The name of the authors may not be used to endorse or promote products
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;;; derived from this software without specific prior written permission.
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;;;
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;;; THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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;;; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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;;; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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;;; IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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;;; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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;;; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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;;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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;;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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;;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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;;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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(define SPAN-shell-droptext-1
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"The following questions are intended to help you with the
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configuration. The CPAN module needs a directory of its own to cache
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important index files and maybe keep a temporary mirror of CPAN files.
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This may be a site-wide or a personal directory."
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(define (SPAN-question~ droptext question answer defaultchoice)
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(let ((s ""))
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(display droptext)
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(newline)
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(display question)(display " ")
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(display "[")(display defaultchoice)(display "] ")
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(set! s (read))
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(cond ((and (symbol? s)
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(string=? (symbol->string s) defaultchoice))
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(set! answer defaultchoice))
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((and (number? s)
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(string=? (symbol->number s) defaultchoice))
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(set! answer defaultchoice))
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((string=? (symbol->string s)(string #\return))
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(set! answer defaultchoice))
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((string? (symbol->string s))
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(set! answer (symbol->string s)))
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(else (SPAN-question~ droptext question answer defaultchoice)))))
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