Module:Sandbox/Anirudh23042003

-- Anirudh23042003  Google Code-In, Introduction to Lua in Wikipedia

-- Anirudh23042003 Google Code-In, 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

-- Anirudh23042003 Google Code-In, Calculations and Tests

p.temperature = function(frame)
	cel = tonumber(frame.args.celsius) or 0
	fah = (cel*9/5) + 32
	msg =  cel .. " degress celsius is " .. fah .. " degrees Farenheit."
	if (cel > 9) then 
		msg = msg .. " It is warm."
	else
		msg = msg .. " It is cold."
	end
	return msg
end

-- Task 4
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

p.mum = function(frame)
	local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "Harry Potter", "Lord Voldemort", "Tony Stark"}
	local msg = ""
	for i=1, #family do
		msg = msg .. "Hello " .. family[i] .. "<br>"
	end
	return msg
end

p.sentence = function(frame)
	local str = frame.args.words or ""
	local temp = string.sub(str, 1, 1)
	local out = string.upper(temp)
	local out = out .. string.sub(str, 2)
	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

p.unpackdate2 = function(frame)
	local dmydate = frame.args.dmydate or ""
    local month, day, year = string.match(dmydate, "(%w+) (%d+), (%w+)")
	return "Year = " .. year .. "<br>Day = " .. day .. "<br>Month = " .. month
end

--Task 5

p.langnames = function(frame)
	local langlist = mw.language.fetchLanguageNames()
	local langs = ""
	local count = 0
	for k, v in pairs(langlist) do
		langs = langs .. k .. " - " .. v .. "<br>"
		count = count + 1
	end
	return langs .. "<br>= " .. count .. " languages"
end

p.fallbacks = function(frame)
	local langcode = frame.args.langcode or ""
	local langlist = mw.language.getFallbacksFor( langcode )
	local langs = ""
	langs = "<strong>Language: </strong>" .. langcode .. "<br>"
	local count = 0
	for k, v in pairs(langlist) do
		langs = langs .. k .. " - " .. v .. "<br>"
		count = count + 1
	end
	langs = langs .. "<br>= " .. count .. " languages."
	return langs
end

p.pagename = function( frame )
	local ttl = frame.args.title
	local ttlobj = mw.title.new( ttl )
	local txt = ttlobj.text
	return txt
end

p.pageinfo = function(frame)
	local title = frame.args.title or " "
	title = mw.title.new(title)
	local exst, redir
	if title and title.exists then
		exst = 1
	else 
		exst = 0
	end
	if title and title.isRedirect then
		redir = 1
	else 
		redir = 0
	end
	local str = ""
	str = str .. (title and title.text or '<span class="error">nil</span>')
	if exst == 1 then
		str = str .. " exists and"
	else 
		str = str .. " does not exist and"
	end
	if redir == 1 then
		str = str .. " is a redirect."
	else
		str = str .. " is not a redirect."
	end
	return str
end
	


return p