Note: This is taken from the Chicken Wiki, where a more recent version could be available.
A simple and flexible command-line option parsing facility.
See the SRFI-37 document.
This extension supports static linking.
(define nl 1)
(option '(#\h "help") #f #f (lambda _ (print "Usage: secho [OPTION] ARG ... -h --help show this text -n --newline N add N newline characters (default: 1)") (exit) ) ) )
(option '(#\n "newline") #t #f (lambda (o n x vals) (set! nl (string->number x)) vals) ) )
(lambda (x) (print* x #\space)) (reverse (args-fold (command-line-arguments) (list help newlines) (lambda (o n x vals) (error "unrecognized option" n) ) cons '() ) ) )
(display (make-string nl #\newline)) </expr> </example>
Copyright (C) Anthony Carrico (2002). All Rights Reserved.
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