Module:Sandbox/trappist the monk/what line

Documentation for this module may be created at Module:Sandbox/trappist the monk/what line/doc

require('strict');

local getArgs = require ('Module:Arguments').getArgs;

local function main (frame)
	local args = getArgs (frame);
	local Article_content = mw.title.getCurrentTitle():getContent() or '';		-- get the content of the article or ''; new pages edited w/ve do not have 'content' until saved; ve does not preview; phab:T221625

	local line_count = 0;
	local target;
	
	target = '{{tlx|line marker' .. (args[1] and '|' .. args[1] or '') ..'}}'

	for line in Article_content:gmatch ('[^\n\r]*[\n\r]') do
		line_count = line_count + 1;
		if line:find (target, 1, true) then
			return 'Found at line: ' .. line_count;
		end
	end
end

return {main = main}