[pdftex] kpathsea environment variables

[Hans Hagen]

Frank Küster wrote:

>Geoffrey Alan Washburn <geoffw at cis.upenn.edu> wrote:
>
>  
>
>> Given that kpathsea
>>seems like a rather mature piece of software, it seems kind of strange
>>that it doesn't have some way of listing/querying which environment
>>variables it is currently configured to examine.  
>>    
>>
>
>Such a feature would really be good.  Perhaps the problem is that
>kpathsea is mature, but more in the sense of a piece of old soft cheese:
>Some find it excellent, others just think it smells...
>
>A rewrite is under way, maybe then we'll also get a library
>documentation and such a query mechanism.  I'm Cc'ing Karl who's doing
>much of this work.
>  
>
an upcoming release of context will ship with a ruby kpse class and a script "tmftools" that, among other goodies, like analyzing trees, and cleanup facilities, provides 

tmftools --expand-var=*

which gives the list of known variables and their expansion

(i didn't find time to document it) 

Hans 

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