I need to export a LyX document to TeX.
The LyX document has child documents (I use input{} to refer to some .tex-files). These child documents have other child documents themselves (I again use \input{}).

I need to find a way to export the LyX file to TeX and get the code of all documents (including the child documents and child documents of the child documents) in one single .tex file. If I do it in the "usual way", I just get a line with the command \input{}, and the reference to the child documents.

Does anybody know a way of doing this?

Please let me know if the question is not clear! Thanks a lot for the help.


When you export a LyX document to TeX, LyX also exports child documents. They are saved to files with the same name but with the extension replaced by .tex. The TeX code is there, but in a corresponding "child" tex file.

  • Thanks G.M. Your answer makes me realize that my question wasn't clear. The child documents are already .tex files. What I need is LyX to export the code altogether (main body + child documents + child documents of the child documents) in one single .tex file. I hope this is more clear now. I will change the question above. Thanks again!!
    – Vincent
    Sep 14 '16 at 8:49
  • Then see tex.stackexchange.com/questions/21838/… for the next step. If someone who knows about converters in LyX makes an answer showing how to combine the two steps into one, I will suggest to accept that one.
    – G.M.
    Sep 14 '16 at 10:19

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