Re: [MACTCL] exec on mac

[Jim I. <ji...@ap...>]

On Monday, March 11, 2002, at 11:12  PM, Andreas Otto wrote:

> Am Montag 11 M=E4rz 2002 17:23 schrieben Sie:
>> At 3:16 PM +0100 3/11/02, Andreas Otto wrote:
>>>  there have to be a way to call additional executables from
>>>  a Tcl script
>>
>> and there is... just not the Tcl norm.
>
> Hi,
>
>  are examples available ...
>
> from main
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> void
> main(
>     int argc,                           /* Number of arguments. */
>     char **argv)                        /* Array of argument strings. =
*/
> {
>     char *newArgv[2];
>
>     if (MacintoshInit()  !=3D TCL_OK) {
>         Tcl_Exit(1);
>     }
>
>     argc =3D 1;
>     newArgv[0] =3D "tclsh";
>     newArgv[1] =3D NULL;
>     Tcl_Main(argc, newArgv, Tcl_AppInit);
> }
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>
> why does tcl blow away the argv array ?

There is no way to start up a Macintosh executable and pass it an argc,=20=

argv.  So the argv will ALWAYS be empty.  But the rest of Tcl is unhappy=20=

with having nothing in the argv array, so we put this minimal entry into=20=

it.

Jim

>
>
>
>>
>>>  I need the channel output back into a string
>>>
>>>  I have an additional API for calling external SW ->
>>>  does Applescript helps ?
>>
>> Sure AppleScript/Tclapplescript is one option. My TclAE
>
> Is a download path available ?
>
>
>  is another.
>> In either case, you can get a reply, assuming the external app sends
>> one, but it's really not the same as the channel output you are
>> probably expecting.
>>
>>>  does "open |..." works ?
>>
>> Mac OS 9? No. No pipes.
>>
>>>  1) is a commandline interface available
>>>
>>>   cammandline + some kind of exec would be perfect
>>
>> Neither of these things really exist on Classic Mac. CodeWarrior
>> provides for a limited command-line interface in your apps (look for
>> docs on SIOUX and ccommand()). If you want your app to execute other
>> apps, you'll need to do it with AppleEvents. Tell us more about
>> exactly what you'd like to do and we can tell you more about how to
>> accomplish it.
>
> Hi,
>
>   the current strategic decision would be using the xml interface of
>  code-warrior. Yo can create a Code warrior project as xml file and
>  import it into the gui.
>
>  One help would be not only to cretae the xml files, it should be=20
> possible
>  to call code-warrior to do the compiling and linking themself without
>  using the user-interface. If this is possible it would be a big step=20=

> in the
>  right direction.
>
>
>>
>>>  2) is a cross compiler linux -> macOs9.1 ppc available
>>>    gcc does not support MacOs9.1 (this speak for them-
>>>    self) perhaps CodeWarrior ???
>>
>> CodeWarrior has a linux variant. I've never used it and don't know
>> what it's cross-compilation options are.
>
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>
--
Jim Ingham                                   ji...@ap...
Developer Tools - gdb
Apple Computer