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Re: [Orgmode] Karl Berry: Re: Nick Dokos: texi2dvi egrep regexp


From: Thomas S. Dye
Subject: Re: [Orgmode] Karl Berry: Re: Nick Dokos: texi2dvi egrep regexp
Date: Sat, 9 Oct 2010 07:25:25 -1000

On Oct 9, 2010, at 6:42 AM, Nick Dokos wrote:

Carsten Dominik <address@hidden> wrote:


I am looking for a way out which will allow pdf compilation of Org
work out of the box, and still allow texi2dvi to be used where possible.

I have so far come up with two possible work-arounds and would
like to hear if one of them makes sense:

1.  I could set the environment variable LC_ALL
   for the duration of the texi2dvi command to some value
   like C?  That should fix the egrep call, but could
   it have adverse effects on the pdflatex and bibtex runs or
   any other stuff used in texi2dvi?


Yes, at least theoretically. I don't think anybody has gone down
the path of investigating these effects.

2. On startup, I could use

  (if (= 0 (shell-command "echo foo | egrep \"[A-z]\""))
           ....


  to check if there is a problem and in this case go for
  manual pdflatex runs rather than using texi2dvi.  THis might work,
  but it would be a bit unpredictable what ends up being used,
  and with no setup in Org you could get different sets of commands
  on different machines.


The trouble with this is that you are checking on egrep which will give you a positive for egrep versions >= 2.6.x, but the fix to texi2dvi might
have made that irrelevant. How about

    try
       texi2dvi
    except
       do Seb's thrice-repeated pdflatex (or whatever) call

After everybody has updated to the latest texinfo, the exception code
can be taken out.

Alternatively, the texi2dvi method can be reverted: it was an idea that
was worth trying, but it has caused more harm than good at this point
- maybe it can be revisited in six months.

Any ather ideas?  Comments?



Perhaps org-latex-to-pdf-process should just run pdflatex twice (or three times) so that it most likely will work out of the box. IIUC, the user can set this variable to something else. Some ready-to-use alternatives on Worg might be useful. There, the pitfalls of using texi2dvi could be explained and those with systems where it works could find a recipe and make use of it. The use of other latex make files might be illustrated there as well.

All the best,
Tom




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