* Is string-append broken?
@ 2003-12-31 2:08 Bruce Korb
2003-12-31 2:30 ` string-append *IS* broken!!! Bruce Korb
2003-12-31 8:56 ` Is string-append broken? Marius Vollmer
0 siblings, 2 replies; 5+ messages in thread
From: Bruce Korb @ 2003-12-31 2:08 UTC (permalink / raw)
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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* Re: string-append *IS* broken!!!
2003-12-31 2:08 Is string-append broken? Bruce Korb
@ 2003-12-31 2:30 ` Bruce Korb
2003-12-31 8:57 ` Marius Vollmer
2003-12-31 8:56 ` Is string-append broken? Marius Vollmer
1 sibling, 1 reply; 5+ messages in thread
From: Bruce Korb @ 2003-12-31 2:30 UTC (permalink / raw)
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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* Re: Is string-append broken?
2003-12-31 2:08 Is string-append broken? Bruce Korb
2003-12-31 2:30 ` string-append *IS* broken!!! Bruce Korb
@ 2003-12-31 8:56 ` Marius Vollmer
1 sibling, 0 replies; 5+ messages in thread
From: Marius Vollmer @ 2003-12-31 8:56 UTC (permalink / raw)
Cc: guile development
Bruce Korb <bkorb@veritas.com> writes:
> Why is this code "wrong"?
>
>> (string-append (c-string (get "name")) ", ")
What does this expression evaluate to? I.e., what is printed when you
type it it the "guile>" prompt?
I get, for example:
guile> (define c-str "\"passwd\"")
guile> c-str
"\"passwd\""
guile> (string-append c-str ", ")
"\"passwd\", "
guile>
which looks correct to me. Maybe 'shellf' is to blame.
--
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* Re: string-append *IS* broken!!!
2003-12-31 2:30 ` string-append *IS* broken!!! Bruce Korb
@ 2003-12-31 8:57 ` Marius Vollmer
2003-12-31 23:41 ` string-append is *NOT* broken!!! Bruce Korb
0 siblings, 1 reply; 5+ messages in thread
From: Marius Vollmer @ 2003-12-31 8:57 UTC (permalink / raw)
Cc: guile development
Bruce Korb <bkorb@veritas.com> writes:
> 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.
Heh, of course string-append doesn't do that. This is no sh or Perl! ;-)
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* Re: string-append is *NOT* broken!!!
2003-12-31 8:57 ` Marius Vollmer
@ 2003-12-31 23:41 ` Bruce Korb
0 siblings, 0 replies; 5+ messages in thread
From: Bruce Korb @ 2003-12-31 23:41 UTC (permalink / raw)
Cc: guile development
Marius Vollmer wrote:
> Heh, of course string-append doesn't do that. This is no sh or Perl! ;-)
No, of course not. It was getting later than I thought and very tired out.
I hit a day one bug in my code that I knew couldn't be there ... I'd used
it too much.
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2003-12-31 2:08 Is string-append broken? Bruce Korb
2003-12-31 2:30 ` string-append *IS* broken!!! Bruce Korb
2003-12-31 8:57 ` Marius Vollmer
2003-12-31 23:41 ` string-append is *NOT* broken!!! Bruce Korb
2003-12-31 8:56 ` Is string-append broken? Marius Vollmer
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