texi2dvi is also on my minimal MikTex system, I'd certainly love a
patch that uses it instead of a shell script (although I also have
cygwin too)..
On 2010-10-05 20:00, Matthew Leifer wrote:
Hi,
I don't know if you are aware, but there is a utility called texi2dvi
that figures out how many times LaTeX, bibtex, etc. need to be run and
automatically runs them the correct number of times for you. It also
has an option -p that uses pdflatex and generates pdf instead of dvi.
In my opinion, it would be better to make use of this rather than
writing new code to do this, as they have thought about all the edge
cases in far more detail than is possible here. It is possible that
some LaTeX installations do not come with texi2dvi, but it does come
with the full TeXLive installation so plenty of people are likely to
have it installed. If you want to avoid this breaking on systems that
do not have texi2dvi installed then you could just check for it, use
it if it is available and, if not, give the user a warning message
that they may get better results if they install texi2dvi whilst using
the existing code.
Best,
Matt Leifer
2010/10/5 Sébastien Vauban <wxhgmqzgw...@spammotel.com
<mailto:wxhgmqzgw...@spammotel.com>>
Hi Carsten,
Carsten Dominik wrote:
> Thanks for the patch! I would certainly have a better way to
process these
> files.
Could you make your latest sentence more explicit?
> 1. Can we run bibtex only if we have an indication that it might
be needed?
> Maybe by looking at the output of the first LaTeX run? Hmm,
maybe this
> would not work if only the bibtex database file was changed.
I guess things in that direction are entirely possible. I don't
use bibtex
yet, but will have a look at a better integration.
> 2. The contrill structures you are using, are they standard
shell or is bash
> needed for this?
Good question! Yes, I implicitly wrote in bash. That won't work
for sure in
Windows...
But, then, how do we do for writing such shells in Emacs? Go to
Emacs's
builtin shell? I have no experience with it, but I can have a
look, except:
how would we be sure that the preferred shell of the user is that one?
> 3. Maybe we can extract a useful error message if the last
PDFLaTeX run
> still contains problems? Maybe even load the log file in this
case?
For sure, such behaviors would be a great, in case of failures.
Best regards,
Seb
>> Here is my (much) better proposition:
>>
>> --8<---------------cut here---------------start------------->8---
>> diff --git a/lisp/org-latex.el b/lisp/org-latex.el
>> index 9a62457..0a2c5fe 100644
>> --- a/lisp/org-latex.el
>> +++ b/lisp/org-latex.el
>> @@ -455,25 +455,35 @@ allowed. The default we use here
encompasses both."
>> :group 'org-export-latex
>> :group 'org-export)
>>
>> +(defcustom org-latex-pdf-max-runs 3
>> + "Maximum number of times PDFLaTeX is run after BibTeX."
>> + :group 'org-export-pdf
>> + :type 'int)
>> +
>> (defcustom org-latex-to-pdf-process
>> - '("pdflatex -interaction nonstopmode -output-directory %o %f"
>> - "pdflatex -interaction nonstopmode -output-directory %o %f")
>> + `("pdflatex -interaction nonstopmode -output-directory %o %f"
>> + "bibtex %b"
>> + ,(concat "let COUNTER=0; while (grep -e \"Rerun .* cross-
>> references\" %b.log > /dev/null); do if [ $COUNTER -eq "
>> + (int-to-string org-latex-pdf-max-runs)
>> + " ]; then break; fi; pdflatex -interaction
nonstopmode
>> -output-directory %o %f; let COUNTER=COUNTER+1; done"))
>> "Commands to process a LaTeX file to a PDF file.
>> This is a list of strings, each of them will be given to the shell
>> as a command. %f in the command will be replaced by the full
file name, %b
>> by the file base name (i.e. without extension) and %o by the
base directory
>> of the file.
>> The reason why this is a list is that it usually takes several
runs of
>> -pdflatex, maybe mixed with a call to bibtex. Org does not
have a clever
>> -mechanism to detect which of these commands have to be run to
get to a
>> stable
>> -result, and it also does not do any error checking.
>> +pdflatex, mixed with a call to bibtex. Org does now have a clever
>> mechanism
>> +to detect how many times the document has to be compiled to
get to a stable
>> +result for the cross-references. Moreover, the number of
compilations
>> after
>> +bibtex is limited to 3 by default (see
`org-latex-pdf-max-runs' for more).
>> +Though, it does not do any error checking.
>>
>> Alternatively, this may be a Lisp function that does the
processing, so you
>> could use this to apply the machinery of AUCTeX or the Emacs
LaTeX mode.
>> This function should accept the file name as its single argument."
>> :group 'org-export-pdf
>> :type '(choice (repeat :tag "Shell command sequence"
>> - (string :tag "Shell command"))
>> + (string :tag "Shell command"))
>> (function)))
>>
>> (defcustom org-export-pdf-logfiles
>> --8<---------------cut here---------------end--------------->8---
>>
>> Enhancements:
>>
>> - variable to limit the number of PDFLaTeX runs (3, by default)
>>
>> Though, the way it is evaluated, you need to set it before calling
>> org-latex
>> (before defining org-latex-to-pdf-process). Not a problem,
IMHO. Maybe
>> there
>> are better ways, though?
>>
>> - real standard sequence to compile the doc:
>>
>> + one call to PDFLaTeX
>> + one call to BibTeX
>> + as many calls as needed to PDFLaTeX (max 3)
--
Sébastien Vauban
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