Module:Sandbox/StoppedGalaxy

--StoppedGalaxy Google Code-in Task 1, Introduction to Lua in Wikipedia
--StoppedGalaxy Google Code-in Task 2, Working with modules
local p = {} -- p stands for package

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

p.Hi = function(frame)
	strName = frame.args.name or "Jimbo"
	return "Hello from Lua to my friend " .. strName .. ".<br>"
end
--StoppedGalaxy Google Code-in Task 3, Calculations and tests
function p.temperature( frame )
    cel = frame.args.celsius
    cel = tonumber(cel) or 0
    fah = cel * 9 / 5 + 32 
	msg = cel .. " degrees Celsius is " .. fah .. " degrees Fahrenheit."
	if cel > 9 then
		msg = msg .. " It is warm." 
	else msg = msg .. " It is cold."
	end
    return msg 
end
--StoppedGalaxy Google Code-in Task 4, Loops and tables
--for loop
p.times = function(frame)
	local num = tonumber( frame.args.num ) or 2
	local out = num .. " times table<br>"
	for i = 1, 12 do
		out = out .. num .. " times " .. i .. " equals " .. i * num .. "<br>"
	end
	return out
end
--tables
p.mum = function(frame)
	local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "Grandpa Joe", "Grandma Anna", "Sarah"}
	local msg = ""
	for i = 1, #family do
		msg = msg .. "Hello " .. family[i] .. "<br>"
	end
	return msg
end
--StoppedGalaxy Google Code-in Task 5, Lua libraries
p.sentence = function(frame)
	local str = frame.args.words or ""
	local out = string.upper(string.sub(str, 1, 1)) .. string.sub(str, 2, 13)
	return out
end
p.unpackdate = function(frame)
	local dmydate = frame.args.dmydate or ""
	local day, month, year = string.match(dmydate, "(%d+) (%w+) (%d+)")
	return "Year = " .. year .. "<br>Day = " .. day .. "<br>Month = " .. month
end
return p