Module:Sandbox/YJJcoolcool

--YJJcoolcool Google Code-in 2019, Introduction to Lua in Wikipedia
--Working with Modules

local p = {}

function p.hello( frame )
	return "Hello, world!"
end

p.Hi = function(frame)
	strName = frame.args.name or "Jimmy"
	return "Hello from Lua to my friend " .. strName .. ".<br>"
end

p.converttemp = function(frame)
	cels = tonumber(frame.args.celsius) or 0
	fahr = cels*9/5+32
	msg = cels .. " degrees Celsius is equal to "..fahr.." degrees Fahrenheit."
	if cels>9 then
		msg = msg.." It is warm."
	else
		msg = msg.." It is cold."
	end
	return msg
end

--Task 4
function p.timestable(frame)
	local numb = tonumber( frame.args.numb ) or 2
	local out = numb.." Times table<br>"
	for i = 1, 12 do
		out = out .. numb .. " times ".. i .. " equals " .. i * numb .. "<br>"
	end
	return out
end

function p.people(frame)
	local friends = {"Agnetha", "Betty", "Carlos", "Davinder", "Eloise", "Mike", "John","Kevin"}
	local msg = ""
	for i = 1,#friends do
		msg = msg .. "Hello " .. friends[i] .. "<br>"
	end
	return msg
end

--Task 5
function p.sent(frame)
	local txt = frame.args.text or ""
	local first = string.upper(string.sub(txt,1,1))
	local out = first..string.sub(txt, 2)
	return out
end

function p.unpack(frame)
	local dmy = frame.args.dmydate or ""
	local d, m, y = string.match(dmy, "(%d+) (%w+) (%d+)")
	return "Year = " .. y .. "<br>Day = " .. d .. "<br>Month = " .. m
end

function p.unpack2(frame)
	local dmy = frame.args.dmydate or ""
	local m, d, y = string.match(dmy, "(%w+) (%d+), (%d+)")
	return "Year = " .. y .. "<br>Day = " .. d .. "<br>Month = " .. m
end
return p