Lua is a powerful, fast, lightweight, embeddable scripting language.
Lua is a powerful, fast, lightweight, embeddable scripting language. It can be embed in TeX/LaTeX code by using the LuaTeX rendering engine.
Questions tagged [lua]
348 questions
52
votes
5 answers
Practical use of Lua
Although I always use LuaLaTeX to compile my documents, I don't really use Lua that often. Sometimes I even forget about it.
In my last document I used it to write a random word generator, which picks a word from a pool of words. Which can be really…
Benutzer193
- 855
8
votes
1 answer
Pass parameter to texlua script
Calling texlua file.lua on the command line runs the file through a Lua interpreter. Is it possible to give arguments to the script?
For instance, in
-- file.lua
io.write(3.4 + 5.6)
io.write("\n")
How do I make 5.6 into a parameter given on the…
Bruno Le Floch
- 44,937
6
votes
0 answers
Lua equivalent for `\iffontchar`
I am looking to replace the TeX command \iffontchar with Lua code. Reason I am printing some tables with Lua code and want to replace the notdef(tofu) with something else.
\documentclass{article}
\usepackage{fontspec}
% Font at…
yannisl
- 117,160
5
votes
1 answer
Luarandom causes infinite loop
I'm trying to get a list of unique random integers within an interval with the luarandom package.
Here is a MWE, adapted from the package…
Matthew Leingang
- 44,937
- 14
- 131
- 195
3
votes
1 answer
why lua multiline string [[ ]] does not work going from Lua to Latex?
lua supports multiline strings.
I need to send such string from Lua back to Latex. I first verified the code works using lua standalone engine
but lualatex does not like something. Here is the…
Nasser
- 20,220
1
vote
2 answers
Printing Hostname in Lua
Related to How to detect and condition based on hostname . Answer in next post.
ivo Welch
- 3,766
1
vote
0 answers
how to find any values include special characters using lua regex
local tex = '\\authors{\\author[]{{Surname}…
Balaji
- 127
1
vote
1 answer
Lua, does tex.print only accumulate
I can either build the output first then use tex.print or I can use tex.print for each string. Is there a performance penalty?
It's easier to use tex.print than having to build the string but if it is slow(for thousands of calls) then it is not…
user184375
0
votes
1 answer
Problem to define a key and the associated value of a table from a variable
I'm sorry for the imprecision of my question but I couldn't find a way to describe my problem correctly.
I created a new package and in the "lua" part, I use two classes, one for points and the other for lines. Two tables z and L are associated to…
Alain Matthes
- 95,075
0
votes
1 answer
Function to get multiple special assignments in a lua code
Assuming that the following assignments a = z.a etc. are correct, is it possible to use a function iso to obtain them. I thought of the name "iso" because in my main code a is a point, z.a is an affix that represents the point.
% !TEX TS-program =…
Alain Matthes
- 95,075
0
votes
0 answers
(Not) finding Lua modules
I get an error that looks like my code doesn't find some Lua module(s) even from a Lua file in the same directory.
git/uliska/diss/latexstuff/ulDissLua.lua:14: module './template-config.lua' not
found:
no field…
uli_1973
- 1,920
0
votes
1 answer
Lua OR find and Replace
My LaTeX-out.tex TeX Code is (single line):
\begin{align*}\alpha + \beta = \gamma\end{align*} Some text here. \begin{align*}\sum^{k}_{i=1} \iota \end{align*} and so on the text. \begin{thebibliography}{000}\bibitem{cqgab7bbabib1}{Aasi J et al LIGO…
Balaji
- 2,282