A simple and flexible command-line option parsing facility.
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See the SRFI-37 document.
#!/usr/local/bin/csi -script ;;;; secho - display command-line arguments (import (chicken process-context) srfi-37) (define nl 1) (define help (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) ) ) ) (define newlines (option '(#\n "newline") #t #f (lambda (o n x vals) (set! nl (string->number x)) vals) ) ) (for-each (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))
- 1.4 - Ported to CHICKEN 5 [Kooda]
- 1.3 - Ported to Chicken 4 [Ivan Raikov]
- 1.2 - Changed license to the one acually used by the reference implementation [Thanks to Ivan Shmakov for pointing this out]
- 1.1 - support for static linking
- 1.0 - Initial release
Copyright (C) Anthony Carrico (2002). All Rights Reserved.
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