I see the sense but this is an incompatible change.  Csound originally
took two files -- the first an orchestra and the second a score.  Names
did/does not matter.  One file is thus an error.  This check allowed one
file as long as it was a .csd file.

As long as we are happy with this minor lack of backwards....


> I think that the check for the csd extension in Top/main.c:202
> is a useless limit. It works:
>
>   csound text.csd
>   ...
>   UnifiedCSD:  text.csd
>   ...
>
> but it fails
>
>   cp text.csd text
>   csound text
>   ...
>   orchname:  text
>   ...
>
> The follow is better (csound->orchname is non-NULL):
>
>   else if ((csound->scorename == NULL || csound->scorename[0] == (char) 0)
>            && csound->orchname[0] != '\0') {
>
> instead of the current
>
>   else if (csound->scorename == NULL || csound->scorename[0] == (char) 0)
> {
>     int   tmp = (int) strlen(csound->orchname) - 4;
>     if (tmp >= 0 && csound->orchname[tmp] == '.' &&
>         tolower(csound->orchname[tmp + 1]) == 'c' &&
>         tolower(csound->orchname[tmp + 2]) == 's' &&
>         tolower(csound->orchname[tmp + 3]) == 'd') {
>
> After this change, I can suggest a solution to Peter in csnd-ml.
>
> tito
>
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OK; go ahead

>> I see the sense but this is an incompatible change.  Csound originally
>> took two files -- the first an orchestra and the second a score.  Names
>> did/does not matter.  One file is thus an error.  This check allowed one
>> file as long as it was a .csd file.
>>
>> As long as we are happy with this minor lack of backwards....
>
> One file is an error but we have a segfault (all parsers) with
>
>   csound orcfile
>
> caused by `strlen(csound->scorename)' in main.c. The change also fixes it.
> There is not a segfault with a csdfile without extension because the
> parser signals an error
>
>   error: syntax error, unexpected S_LT  (token "<") line 0:
>
> * Some free thoughts
>
> Discarded solution: a xml file begins with a tag, so the '<' char is
> the first char and it is an error in an orc file. Therefore it is
> enough a check for the first non-blank character; if it is '<', the
> file is 'csd'. But it is too late because there are some csd files
> that begin with
>
>   some text bla bla
>   bla bla ...
>   
>
> so I think that a `--orc' flag is useful when there is only one file
>
>   csound text         (it is a csd file or error)
>   csound --orc text   (it is an orc file with INF score or error)
>
> I use tmpfs for temporary csd files, but I like
>
>   csound <(myscript)
>
> or (without `-i stdin')
>
>   myscript | csound /dev/stdin
>
> because I avoid to set/write/remove a tmpfile and to use a "trap" for
> SIGINT in my scripts.
>
> Now we can use it only with (it is a workaround but `file.sco' is
> immutable)
>
>   csound <(make_orc_file_script) file.sco
>   make_orc_file_script | csound /dev/stdin file.sco
>
> only because `/dev/fd/N' and `/dev/stdin' are without the csd extension.
>
> Let me know what is good for you.
>
> tito
>
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>



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Hi,

I think Cosund6 should attempt a cleanup of command line options, to
settle on -+ or -- but having both can be confusing...

Cheers,
Andrés

On 8/13/12, Tito Latini  wrote:
>> OK; go ahead
>
> Applied the first change, so there are not segfaults.
> I'll write the code for `--orc' in the next break.
>
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-- 


Andrés

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On 08/13/2012 09:58 AM, Andres Cabrera wrote:
> Hi,
>
> I think Cosund6 should attempt a cleanup of command line options, to
> settle on -+ or -- but having both can be confusing...

I always wondered about that.  Where did the -+ thing come from?

Toby

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On Mon, Aug 13, 2012 at 10:13 AM, Toby  wrote:
> On 08/13/2012 09:58 AM, Andres Cabrera wrote:
>> Hi,
>>
>> I think Cosund6 should attempt a cleanup of command line options, to
>> settle on -+ or -- but having both can be confusing...
>
> I always wondered about that.  Where did the -+ thing come from?
>

I don't know, but it definitely isn't a posix specified thing or a gnu
convention / extension

http://www.gnu.org/prep/standards/standards.html#Command_002dLine-Interfaces

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On Mon, Aug 13, 2012 at 10:53 AM, Justin Smith  wrote:
> On Mon, Aug 13, 2012 at 10:13 AM, Toby  wrote:
>> On 08/13/2012 09:58 AM, Andres Cabrera wrote:
>>> Hi,
>>>
>>> I think Cosund6 should attempt a cleanup of command line options, to
>>> settle on -+ or -- but having both can be confusing...
>>
>> I always wondered about that.  Where did the -+ thing come from?
>>
>
> I don't know, but it definitely isn't a posix specified thing or a gnu
> convention / extension
>
> http://www.gnu.org/prep/standards/standards.html#Command_002dLine-Interfaces

Also, on the subject of compatibility with the rest of the world -
what about allowing more flexibility in csd tags?

On my current home version of csound at least, tags cause errors if
they are not on a line by themselves, which is not really what one
expects if used to xml. Which is to say, a csd looks like xml but
really is not xml at the moment. This comes up when generating a csd
using an xml generating library from another program (I end up needing
to throw in extra new lines before and after every tag just to be
safe).

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> On 08/13/2012 09:58 AM, Andres Cabrera wrote:
>> Hi,
>>
>> I think Cosund6 should attempt a cleanup of command line options, to
>> settle on -+ or -- but having both can be confusing...
>
> I always wondered about that.  Where did the -+ thing come from?
>
> Toby
>


The -- form was in csound with a different meaning from before the GNU
use.  It came from the Codemist interface much earlier.  The -+ form was
ibtroduced by Istvan Varga at some stage as -- waqs already used
==John ff


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The tags are not XML, and the restrictions on placement are
deliberate. If the tags were XML, it would not be clear to a non
programmer how to edit a CSD file.

That said, the CSD files will (or least, used to) load into an XML
editor just fine.

Regards,
Mike

On Mon, Aug 13, 2012 at 3:58 PM,   wrote:
>> On 08/13/2012 09:58 AM, Andres Cabrera wrote:
>>> Hi,
>>>
>>> I think Cosund6 should attempt a cleanup of command line options, to
>>> settle on -+ or -- but having both can be confusing...
>>
>> I always wondered about that.  Where did the -+ thing come from?
>>
>> Toby
>>
>
>
> The -- form was in csound with a different meaning from before the GNU
> use.  It came from the Codemist interface much earlier.  The -+ form was
> ibtroduced by Istvan Varga at some stage as -- waqs already used
> ==John ff
>
>
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-- 
Michael Gogins
Irreducible Productions
http://www.michael-gogins.com
Michael dot Gogins at gmail dot com

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