Writing a de-psfagger

Paulo Ney de Souza pauloney at gmail.com
Thu Jan 23 13:46:34 CET 2020

I am writing a de-psfragger, to change the labels made with psfrag (and
bound to latex - dvips - pstopdf workflow) to something more modern like

The Perl routine is already working quite nicely on a (single) file that
contains all figures, parsing the TeX, EPS and changing them accordingly.

I am not really happy with the kludge I came up for descending on a tree of
files connected by


taking into consideration the values of


(and may be others).

What is the proper way to handle this?  What packages do you know that does
a good job at it? Anything to suggest?

I guess this is common to any translator that is written in something other
than TeX. Is there a framework for doing a reliable traversal of a TeX tree
of files in this way?

Many thanks,
Paulo Ney
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