Am 04.11.2014 um 08:55 schrieb Xan:
> Xan <dxpubl...@telefonica.net> 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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