This "flattens" a LaTeX document by replacing all \input{X} lines w/ the text actually contained in X.
I recently re-factored it to use the click module to create a command line interface.
Copyright, 2015, John J. Horton (john.joseph.horton@gmail.com) Distributed under the terms of the GNU General Public License See http://www.gnu.org/licenses/gpl.txt for details.
It was inspired by: http://tex.stackexchange.com/questions/21838/replace-inputfilex-by-the-content-of-filex-automatically/21840#21840
There are C and perl versions of this, but I wanted a pure python version to fit in w/ my existing paper-creating toolchain.
git clone git@github.com:johnjosephhorton/flatex.git
cd flatex
pip install --editable .
flatex inputfile.tex outputfile.tex
flatex --include_bbl inputfile.tex outputfile.tex
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It doesn't do \includes - just inputs.
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I haven't tested it for nested inputs (thought it's designed to work on files like).
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I haven't tested it for more complicated file arrangements e.g., realtive reference inputs that are more complex that just a file living in the same directory.
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The test case writes to the /tmp folder - so the test probably wouldn't work on Windows(?).