Re: printf error

Mario Domenech Goulart via Chicken-users <[email protected]> Thu, 27 Feb 2025 21:00:41 +0100

Newsgroups	gmane.lisp.scheme.chicken
Message-ID	<[email protected]>

Hi Duke,

On Thu, 27 Feb 2025 12:49:05 -0700 Duke Normandin via Chicken-users <[email protected]> wrote:

> In "Learn X in Y minutes" / Chicken:
>
> (printf "Hello, ~a.\n" "World")  ;; => Hello, World
>
> On my machine:
> CHICKEN
> (c) 2008-2021, The CHICKEN Team
> (c) 2000-2007, Felix L. Winkelmann
> Version 5.3.0 (rev e31bbee5)
> linux-unix-gnu-x86-64 [ 64bit dload ptables ]
>
> #;38> (printf "Hello, ~a.\n" "World")
> Error: unbound variable: printf
>         Call history:
>         <syntax>          (printf "Hello, ~a.\n" "World")
>         <eval>    (printf "Hello, ~a.\n" "World")       <--

printf is in the chicken.format module [0], which you'd need to import.
Example:

  (import (chicken format))

[0] https://wiki.call-cc.org/man/5/Module%20(chicken%20format)

All the best.
Mario
-- 
http://parenteses.org/mario