Module:Sandbox/Artbarte

-- Artbarte Google Code-in, Introduction to Lua in Wikipedia

-- Arbarte 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" -- Step 13 return "Hello from Lua to my friend " .. strName .. ". " end

p.temperature = function(frame) cel = tonumber(frame.args.celsius) 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

-- Arbarte Google Code-in, Loops and tables -- Task 4 p.times = function(frame) local num = tonumber( frame.args.num ) or 2 local out = num .. " times table " for i = 1, 12 do out = out .. num .. " times " .. i .. " equals " .. i * num .. " "	end return out end

p.mum = function(frame) local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "Tom", "Jerry", "Amelia"} local msg = "" for i = 1, #family do msg = msg .. "Hello " .. family[i] .. " "	end return msg end -- Lua 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) 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 .. " Day = " .. day .. " Month = " .. month end

-- Lua Task 6 - MediaWiki libraries 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 .. " "		count = count + 1 end return langs .. " = " .. count .. " languages" end

p.fallbacks = function(frame) local langcode = frame.args.langcode local fallbacklist = mw.language.getFallbacksFor( langcode ) local fallbacklangs = "Fallback language codes for " .. langcode .. " : "	for i = 1, #fallbacklist do fallbacklangs = fallbacklangs .. fallbacklist[i] .. " "	end return fallbacklangs 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 "" if ttl == "" then return "Provided title is invalid" end local ttlobj = mw.title.new( ttl ) local redirect = "" local exists = "" if ttlobj.isRedirect == true then redirect = " is a redirect" else redirect = " is not a redirect" end if ttlobj.exists == true then exists = " exists" else exists = " does not exist" end local msg = ttlobj.text .. exists .. " and" .. redirect return msg end return p