[Therion] Metapost error 256

[Wookey]

+++ Bill Gee [2014-03-25 11:00 -0500]:
> Hello everyone -
> 
> I am trying to get Therion to work on a laptop.  As far as I can tell, it is 
> configured exactly the same as my desktop computer where Therion works just 
> fine.
> 
> Both systems are on the same version of Therion.  Both are 64-bit Fedora 20.  
> Both have the same set Texlive, Metapost and font packages.  Therion.ini is 
> identical.  From a command prompt "mpost --version" produces the same output.  
> I have checked file system permissions, and they all are the same.
> 
> Any clues?  What else should I look at?

Hmm. 

> writing AllieSpringCave.pdf ...
> ####################### metapost log file ########################
> therion: warning -- can't open data.log file for input
> can't open data.log file for input#################### end of metapost log file 

I think these are the files that go in thtmpdir during processing.
that's normally a tmpdir 'th<something>' in /tmp, but I'm not sure what sets it to that.

There is an option to not delete those files after processing which
might give you a clue.

Something about your tmp setup between machines might be at issue here (although I can't think what)?

Wookey
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