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[vox-tech] latex and dvipdf question
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[vox-tech] latex and dvipdf question

I'm generating a PDF based on a Latex document.
The Latex is actually a template being processed by Perl, and
I want the PDF to be output from a CGI (as an "application/pdf" mime-type).

My problem is I can't simply do this:

  ./parser.pl | latex | dvipdf

Because "latex" doesn't read from STDIN or write to STDOUT.
Neither does "dvipdf".

So what I'm doing for the time being is this:

  ./parser.pl | ./tex2pdf.sh

Where "tex2pdf.sh" is a shell script which reads from STDIN and generates
a temporary file:

  cat > out.tex

It then runs "latex" on that file:

  latex out.tex 2> /dev/null    # Don't output "I'm TeX version BLAH"! >:^(

Then it runs "dvipdf" on _that_ file:

  dvipdf out.dvi

And finally, spits the resulting PDF to STDOUT:

  cat out.pdf

This requires that I have a number of temporary files ready to
be written to by these (via the CGI's system or pipe call to
"./parser.pl | ./tex2pdf.sh"):

Of course, I need:

  out.tex      - to capture the parsed TeX template
  out.dvi      - what "latex" makes when you run it on "out.tex"
  out.pdf      - the end result, which "dvipdf" makes based on "out.dvi"

_AND_, I need these:


Two files which "latex" and/or "dvipdf" make for heaven-knows-what reason.

Is there a simpler way?  This whole temp. file this is complete crap, and
will NOT be suitable for production!  (The files will get clobbered by
multiple simultaneous calls to the CGI, unless I do some kind of stupid
file locking, in which case the speed of the system will drop dramatically)



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