53 lines
1.6 KiB
Scheme
53 lines
1.6 KiB
Scheme
;;; Gash --- Guile As SHell
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;;; Copyright © 2016,2017,2018 R.E.W. van Beusekom <rutger.van.beusekom@gmail.com>
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;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; This file is part of Gash.
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;;;
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;;; Gash is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; Gash is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with Gash. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gash util)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (
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conjoin
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disjoin
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wrap-command
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char->string
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string->string-list
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string-replace-string
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))
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(define (disjoin . predicates)
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(lambda (. arguments)
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(any (cut apply <> arguments) predicates)))
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(define (conjoin . predicates)
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(lambda (. arguments)
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(every (cut apply <> arguments) predicates)))
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(define (string->string-list string)
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(map char->string (string->list string)))
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(define (char->string c)
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(make-string 1 c))
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(define (string-replace-string string from to)
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(cond ((string-contains string from)
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=>
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(lambda (i)
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(string-replace string to i (+ i (string-length from)))))
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(else string)))
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