Sujet : Re: Apprenticeship
De : 643-408-1753 (at) *nospam* kylheku.com (Kaz Kylheku)
Groupes : comp.lang.lisp comp.lang.schemeDate : 07. Sep 2024, 17:14:10
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <20240907080929.610@kylheku.com>
References : 1
User-Agent : slrn/pre1.0.4-9 (Linux)
On 2024-09-07, B. Pym <
Nobody447095@here-nor-there.org> wrote:
(let ((e-mail-address "PGIUHOGT@VGIHKRR.TKZ"))
(loop with new-string = (make-string (length e-mail-address))
for count from 0 to (1- (length e-mail-address))
for char-code = (char-code (aref e-mail-address count))
for new-char-code =
(if (and (> char-code 64)(< char-code 123))
(+ (mod (+ 13 char-code) 52) 65)
char-code)
do (setf (aref new-string count) (code-char new-char-code))
finally (return new-string)))
>
Gauche Scheme
>
(string-map
(^c (let1 n (char->integer c)
(integer->char
(if (< 64 n 123) (+ (modulo (+ 13 n) 52) 65) n))))
"PGIUHOGT@VGIHKRR.TKZ")
TXR Lisp:
13> (mapcar [iffi chr-isupper (op wrap #\a #\z)] "
PGIUHOGT@VGIHKRR.TKZ")
"
jacobian@pacbell.net"
The pacbell.net domain is defunct, so no point in concealing.
-- TXR Programming Language: http://nongnu.org/txrCygnal: Cygwin Native Application Library: http://kylheku.com/cygnalMastodon: @Kazinator@mstdn.ca