Using LuaTeX to run software installed on Overleaf’s servers

Forfatter

Graham Douglas

Last Updated

6 years ago

License

Creative Commons CC BY 4.0

Resumé

This example shows how to use LuaTeX to run software tools and utilities installed on Overleaf’s servers, including how to capture, and then typeset, text that would normally be displayed in a terminal window.

Using LuaTeX to run software installed on Overleaf’s servers

\documentclass{article}
\usepackage{verbatim}
\begin{document}
\directlua{%
function runcommand(cmd)
  local fout = assert(io.popen(cmd, 'r'))
  local str = assert(fout:read('*a'))
  fout:close()
  return str
end

local sout=runcommand("dvisvgm --help")
local marg = assert(io.open("command.txt","w"))
marg:write(sout)
marg:flush()
marg:close()
}
\verbatiminput{command.txt}
\end{document}