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-- File 'luaaddplot.lua', generated from luaaddplot.dtx'.
--[[
%%
%% luaaddplot.dtx
%% Copyright 2022 Reinhard Kotucha <reinhard.kotucha@gmx.net>
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status `maintained'.
%%
%% The Current Maintainer of this work is Reinhard Kotucha.
%%
%% This work consists of the files luaaddplot.dtx and luaaddplot.ins
%% and the derived files luaaddplot.tex, luaaddplot.sty, and luaaddplot.lua.
--]]
module('luaaddplot', package.seeall)
function readfile (file, lambda)
if not lfs.isfile(file) then
error('\nERROR: File "'..file..'" not found.')
end
local data = io.open(file)
for line in data:lines() do
line = line:gsub('^%s+', '')
if line:match('^%-?%.?[0-9]') then
line = line:gsub('[\t:;,]', ' ')
local a, b
local cols = line:explode (' +')
for i, col in ipairs(cols) do
cols[i] = tonumber(cols[i])
end
if lambda then
a, b = lambda(cols)
if a and b then
tex.print(string.format('%g %g', a, b))
end
else
tex.print(string.format('%g %g', cols[1], cols[2]))
end
end
end
tex.print('};')
data:close()
end
function opts (s)
tex.print('\\addplot'..s..' table {')
end
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