[Therion] metapost error on Windows7

[Footleg]

I have never seen this locking during compile, apart from PDF files. I
am using Therion extensively on Windows.

One case we found on Windows which had us stumped on a training course
we ran was that one Windows user found his PDF file was locked even
after apparently closing the Adobe reader. It turned out to be because
he had file previews turned on in Windows Explorer so it was
generating a rendering of all PDF files in the open explorer Window
and that used the Adobe Reader under the hood so the files were still
locked. Turning off previews in Explorer sorted that one out.

For those who run Therion on Windows and have not already seen the PDF
viewer tip on the wiki, I use Sumatra PDF reader which is the only
reader I have found on Windows which does not lock the PDF file when
it is open in the reader, and that renders the PDF correctly as well.
Using Sumatra I can keep the PDF window open and each time I recompile
my project the PDF display refreshes automatically which is really
handy.

Footleg

On 22 September 2014 17:48, Xavier Pennec <Xavier.Pennec at inria.fr> wrote:
> Hi Stacho,
>
> It also looks to me as if there is a lock on some file. It is apparently
> happening during the generation of  small postscript elements (e.g.
> data.4008). I am still trying to reproduce it in a consistent way.
>
> But if nobody else is experiencing it, it  might comes as well from my
> antivirus scanning these bits before they are finished to be dealt with.
>
> Xavier
>
> Le 22/09/2014 18:27, Stacho Mudrak a écrit :
>
> This is really strange... I have experienced similar problem with PDF file
> being locked, even it is not open in Adobe Reader.
> It looks to me, that OS is reading somehow these files (to index them???)
> and for a very small amount of time they are locked.
> May be I am completely wrong, but without being able to reproduce this
> error, I see no way how to debug it...
>
> S.
>
> On 22 September 2014 09:56, Xavier Pennec <Xavier.Pennec at inria.fr> wrote:
>>
>> Since I installed the last version of therion, metapost is randomly
>> bugging on writing temporary files with the message
>> "! I can't write on file `'. Please type another file name for input:"
>> As this is blocking therion, I have to kill the compilation windows and
>> retry. It usually reworks after a few try.
>> I tried so see what was wrong in the tmp files with the compile option -d
>> without success so far
>>
>> Does anyone experience the same behavior or does it come from some special
>> feature of my installation?
>>
>> Xavier
>>
>> --
>>>
>>> -------------------------
>>> Xavier Pennec
>>> Senior Research Scientist / Directeur de recherche
>>> Asclepios project-team, INRIA Sophia-Antipolis
>>> 2004 Route des Lucioles, BP93
>>> F-06902 Sophia-Antipolis Cedex, France
>>> +33 4 92 38 76 64
>>> +33 6 78 35 16 90
>>> http://www-sop.inria.fr/asclepios/
>>> -------------------------------
>>
>>
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> --
>> -------------------------
>> Xavier Pennec
>> Senior Research Scientist / Directeur de recherche
>> Asclepios project-team, INRIA Sophia-Antipolis
>> 2004 Route des Lucioles, BP93
>> F-06902 Sophia-Antipolis Cedex, France
>> +33 4 92 38 76 64
>> +33 6 78 35 16 90
>> http://www-sop.inria.fr/asclepios/
>> -------------------------------
>
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