[Scilab-users] Cannot start Xcos
Paul Bignier
paul.bignier at scilab-enterprises.com
Tue Aug 16 11:29:19 CEST 2016
Hello Stefan & Claus,
I manage to reproduce the bug in Scilab 5.5.2 but it has been fixed on
the master branch (Scilab 6): Xcos doesn't crash after calls to input().
You may want to port your code to Scilab 6, or as a workaround you can
use other i/o functions
<https://help.scilab.org/docs/6.0.0/en_US/section_7182261dbbb2bb2293bb9166ba5f1fb3.html>
than input().
Regards,
Paul
On 08/16/2016 12:05 AM, Stefan Du Rietz wrote:
> Thank you, Claus, for confirming. But for me there is no difference
> and if I just enter return, r is a space character:
>
> -->r = input("Reply! ", "s");
> -->mprintf("""%s""\n", r)
> " "
> -->ascii(r)
> ans =
> 32.
>
> /Stefan
>
>
> On 2016-08-15 22:13, Claus Futtrup wrote:
>> Hi Stefan
>>
>> An interesting find ... amazing. If you enter something (not just
>> Return), then xcos opens. If you do not enter anything, then s
>> contains an empty string, and xcos crashes.
>>
>> /Claus
>>
>> On 15-08-2016 20:04, Stefan Du Rietz wrote:
>>> 1. Launch Scilab
>>> 2. Do this
>>> -->input("Press Return!", "s")
>>> -->xcos()
>>>
>>> Regards
>>> Stefan
>>>
>>>
>>> On 2016-08-15 17:58, Stefan Du Rietz wrote:
>>>> This line in my loadsci.sce is the culprit:
>>>>
>>>> r = input("usb2data? [n] ", "s");
>>>>
>>>> The following lines don't matter. This must certainly be a bug?
>>>>
>>>> Regards
>>>> Stefan
>>>>
>>>>
>>>> On 2016-08-12 16:23, Stefan Du Rietz wrote:
>>>>> But why can I launch Xcos after running my loadsci.sce(!) if I have
>>>>> launched it before? Does it remember something from the first launch
>>>>> that makes it tolerant during the second launch to what I have
>>>>> done in
>>>>> loadsci.sce?
>>>>>
>>>>> Can you give me a hint?
>>>>>
>>>>> Regards
>>>>> Stefan
>>>>>
>>>>>
>>>>> On 2016-08-12 15:29, Paul Bignier wrote:
>>>>>>
>>>>>> You're welcome!
>>>>>>
>>>>>> I don't know what is in that loadsci.sci (sounds more like a .sce by
>>>>>> the way) but if it is a personal file I'd start looking into it ;)
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Paul
>>>>>>
>>>>>>
>>>>>> On 08/12/2016 03:06 PM, Stefan Du Rietz wrote:
>>>>>>> Paul,
>>>>>>> thank you very much for your help. Generally it is one's own fault
>>>>>>> when programs don't behave as expected ... So I started Scilab with
>>>>>>> all the same toolboxes but without my loadsci.sci and then I could
>>>>>>> start Xcos! But the strange thing is that if I then ran loadsci.sci
>>>>>>> from scilab's command line,
>>>>>>>
>>>>>>> -->exec(SCIHOME+"/loadsci.sci", -1)
>>>>>>>
>>>>>>> Xcos could still be started!
>>>>>>>
>>>>>>> Am I haunted by some evil ghost?
>>>>>>>
>>>>>>> Stefan
>>>>>>>
>>>>>>>
>>>>>>> On 2016-08-12 11:53, Paul Bignier wrote:
>>>>>>>>
>>>>>>>> Stefan,
>>>>>>>>
>>>>>>>> You are launching Xcos properly, but this number of toolboxes
>>>>>>>> looks
>>>>>>>> suspicious to me, one of them may be interferring.
>>>>>>>>
>>>>>>>> Can you please disable their autoload and try to launch Xcos?
>>>>>>>> If it
>>>>>>>> works, you may want to load them one by one until you can't
>>>>>>>> relaunch
>>>>>>>> Xcos ; that way we'll know which one is causing the trouble.
>>>>>>>>
>>>>>>>> Thank you, best regards,
>>>>>>>>
>>>>>>>> Paul
>>>>>>>>
>>>>>>>>
>>>>>>>> On 08/12/2016 10:45 AM, Stefan Du Rietz wrote:
>>>>>>>>> Hello Paul,
>>>>>>>>>
>>>>>>>>> I am using Scilab 5.5.2, installed from binaries in three
>>>>>>>>> different
>>>>>>>>> computers with Windows 7 Pro, Windows 10 Home, and Xubuntu Linux
>>>>>>>>> 14.4, respectively. I have these toolboxes installed(?):
>>>>>>>>>
>>>>>>>>> -->s = atomsSearch("toolbox");
>>>>>>>>> -->mprintf("%s\n", s(:, 1))
>>>>>>>>> ampl_toolbox
>>>>>>>>> ANN_Toolbox
>>>>>>>>> celestlab
>>>>>>>>> celestlabx
>>>>>>>>> CLUSTER
>>>>>>>>> CWA
>>>>>>>>> dace_scilab
>>>>>>>>> emd_toolbox
>>>>>>>>> EMTTOOL
>>>>>>>>> FACT
>>>>>>>>> Global_Optim_toolbox
>>>>>>>>> grocer
>>>>>>>>> guimaker
>>>>>>>>> huffcomp
>>>>>>>>> hypt
>>>>>>>>> ica_toolbox
>>>>>>>>> json
>>>>>>>>> lsitbx
>>>>>>>>> Mascaret
>>>>>>>>> MDPtoolbox
>>>>>>>>> metanet
>>>>>>>>> microdaq
>>>>>>>>> minphase_toolbox
>>>>>>>>> moc_toolbox
>>>>>>>>> nan
>>>>>>>>> OpenRTDynamics
>>>>>>>>> regtools
>>>>>>>>> rltool
>>>>>>>>> serial
>>>>>>>>> sndfile_toolbox
>>>>>>>>> socket_toolbox
>>>>>>>>> stixbox
>>>>>>>>> swt
>>>>>>>>> toolbox_skeleton
>>>>>>>>> toolbox_spgl1
>>>>>>>>> usb_toolbox
>>>>>>>>> XCPL
>>>>>>>>>
>>>>>>>>> Best regards
>>>>>>>>> Stefan
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 2016-08-12 08:42, Paul Bignier wrote:
>>>>>>>>>>
>>>>>>>>>> Hello Stefan,
>>>>>>>>>>
>>>>>>>>>> This error is not familiar, could you give us more information
>>>>>>>>>> please?
>>>>>>>>>>
>>>>>>>>>> What version of Scilab are you using? Compiled or Binary? OS? Do
>>>>>>>>>> you
>>>>>>>>>> have toolboxes installed?
>>>>>>>>>>
>>>>>>>>>> Thanks,
>>>>>>>>>>
>>>>>>>>>> Paul
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 08/11/2016 08:26 PM, Stefan Du Rietz wrote:
>>>>>>>>>>> Hello,
>>>>>>>>>>> how do I start Xcos for the first time ever?
>>>>>>>>>>>
>>>>>>>>>>> When I try from the menu: Applications - Xcos,
>>>>>>>>>>> I get this message:
>>>>>>>>>>>
>>>>>>>>>>> 8361 Tue Aug 9 21:14
>>>>>>>>>>> ckobject(28);if with_module("xcos") then xcos(); else
>>>>>>>>>>> disp(gettext("Please install xcos module
>>>>>>>>>>> !--error 999
>>>>>>>>>>> xcos:
>>>>>>>>>>> while executing a callback
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> And from the command line:
>>>>>>>>>>>
>>>>>>>>>>> -->xcos
>>>>>>>>>>> !--error 999
>>>>>>>>>>> xcos:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> What can I do?
>>>>>>>>>>>
>>>>>>>>>>> Regards
>>>>>>>>>>> Stefan
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--
Paul BIGNIER
Development engineer
-----------------------------------------------------------
Scilab Enterprises
143bis rue Yves Le Coz - 78000 Versailles, France
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