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Re: string-append *IS* broken!!!


From: Bruce Korb
Subject: Re: string-append *IS* broken!!!
Date: Tue, 30 Dec 2003 18:30:05 -0800

Who in heck told string-append it "okay" to not do its job if the
first string appeared to be quoted?  That is utterly disgusting
and completely counter-intuitive.  How can you do that?  That
function has absolutely *NO* business trying to understand the
contents of the strings I want to concatenate together.

Bruce Korb wrote:
> 
> Why is this code "wrong"?
> 
> > (string-append (c-string (get "name")) ", ")
> 
> As an experiment, I did this:
> 
>  (define c-str (c-string (get "name")))
>  (shellf "echo 'c-str is set to -->%s<--' >&2" c-str)
>  (set!   c-str (string-append c-str ", "))
>  (shellf "echo 'c-str is set to -->%s<--' >&2" c-str)
> 
> Here is the result:
> 
> autogen -T getopt.tpl getpwnam-opts.def
> c-str is set to -->"name"<--
> c-str is set to -->"name"<--
> c-str is set to -->"passwd"<--
> c-str is set to -->"passwd"<--
> c-str is set to -->"uid"<--
> c-str is set to -->"uid"<--
> c-str is set to -->"gname"<--
> c-str is set to -->"gname"<--
> 
> This works:
> 
>   (sprintf "%s, " (c-string (get "name")))
> 
> but should not be any different.....Am I confused or is this a bug?




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