[OS X TeX] Can latex read the name of the folder that contains my latex file?
schremmer.alain at gmail.com
Sat Sep 1 01:18:06 CEST 2012
On Aug 31, 2012, at 5:00 PM, Ross Moore wrote:
> Sent from my iPad
> On 01/09/2012, at 0:24, Themis Matsoukas <tmatsoukas at me.com> wrote:
>> All of this miraculously works, but what I would like to do now is
>> access from inside problem.tex the name of its enclosing folder and
>> then pass it to \graphicspath, so that instead of hard-coding the
>> name "problemXYZ" in the \graphicspath this would be set
>> automatically in each latex run. I am probably asking for too much
>> of a miracle...
> No, not too much, if you do a bit of work.
> Use TeX's \write18 to run a shell command, such as
> cat `pwd`> pwd.txt
> giving you the name of the directory written inside a simple text
> Then use TeX's \openin to create a file stream to input the
> contents of that file.
> Now with TeX's \read primitive, you can get the contents of this 1-
> line file stored as the expansion of a macro. (Then use \closein
> to free-up the file stream cleanly.)
> Finally, if you only want the name, not the full path, then you can
> define a TeX macro that extracts what occurs after the directory
> delimiter / . You'll have to run this repeatedly, to extract just
> the final bit, as TeX's pattern matching occurs on the first instance.
> (or use dirname instead of pwd )
> Consult the TeXbook to learn how to do these non-LaTeX actions.
> Also, you may need to invoke LaTeX with the -shell-escape option,
> if that is not automatically enabled. Herb can comment on this.
> Maybe there is a package that helps make such tasks easier.
> Dunno, as I always write my own coding from scratch, using the
I have not studied the details of the issue but this reminds me of a
problem I had which was solved with an earlier version of <http://mirror.hmc.edu/ctan/macros/latex/contrib/fink/fink.pdf
Hope I am not too offbase
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