/usr/lib/s9fes/string-case.scm is in scheme9 2010.11.13-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | ; Scheme 9 from Empty Space, Function Library
; By Nils M Holm, 2009,2010
; See the LICENSE file of the S9fES package for terms of use
;
; (string-upcase string) ==> string
; (string-downcase string) ==> string
;
; (load-from-library "string-case.scm")
;
; Return a fresh string containing the characters of STRING, but
; with the case of alphabetic characters converted. STRING-UPCASE
; converts characters to upper case, STRING-DOWNCASE to lower case.
;
; Example: (string-upcase "Hello, World!") ==> "HELLO, WORLD!"
; (string-downcase "Hello, World!") ==> "hello, world!"
(load-from-library "string-map.scm")
(define (string-downcase s)
(string-map char-downcase s))
(define (string-upcase s)
(string-map char-upcase s))
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