Module:Sandbox/Priyanshu Ahuja

Documentation for this module may be created at Module:Sandbox/Priyanshu Ahuja/doc

--Priyanshu001 Google Code-in, Introduction to Lua in Wikipedia
--TASK 2
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
--Task 3
function p.tempurature(frame)
	cel = frame.args.celsius or 0;
	cel=tonumber(cel);
	if cel==nil
	then
		cel=0;
	end
	fah =9*(cel/5) + 32;
	msg= cel .." degrees Celsius is ".. fah.. " degrees Fahrenheit.";
	if cel>9
		then
			msg=msg.." It is warm.<br>";
		else
			msg=msg.." It is cold.<BR>";
	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
--tables
p.mum = function(frame)
	local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian","Katie","Tom","Jane"}
	local msg = ""
	for i=1,#family do
		msg = msg .. "Hello " .. family[i] .. "<br>"
	end
	return msg
end

--task 5
p.sentence = function(frame)
	local str = frame.args.words or ""
	local out = string.upper(string.sub(str, 1, 1))
	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

--implimenting american style date
p.unpackmdy= function(frame)

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

--task 6
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.fallbacksFor = function(frame)
	local langcode = frame.args.langcode
	local langlist = mw.language.getFallbacksFor(langcode)
	local out = ""
		for k, v in pairs(langlist) do
			out = out ..k.. "-" .. v .. "<br>"
		end
	return out
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 ttl=(frame.args.title) or ""
	local out=""

	local ttlobj = mw.title.new( ttl )
if(ttlobj==nil)
then return "INVALID ARGUMENTS<br>"
end
	if(ttlobj.exists) 
		then
			out= " exists"
		else
			out =" does not exist"
	 end
	 if(ttlobj.isRedirect)
		then 
			out=out .. " and is a redirect.<BR>"
		else
			out=out .." and is not a redirect.<BR>"
	 end
	 out=ttl..out
	return out
end
return p