Am 04.11.2014 um 08:55 schrieb Xan:

Xan ha escrit:

It does not work:>

That is not a useful error description ... Herbert \documentclass{article}

...

...

\begin{document} \directlua{ local handle = io.popen("sha256sum \jobname.tex | cut -c -5","r") if handle then local result = handle:read("*all") or "" handle:close() tex.print(result) end } \end{document}

Neither this:

...

\directlua{ require "lualibs-os" tex.sprint(os.resultof("sha256sum \jobname.tex | cut -c -5")) }

Blank. Nothing displayed.

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