Module:Sandbox/NicholasG04

-- NicholasG04 - Google Code-in 2019, Introduction to Lua in Wikipedia -- Lua Task 2 - 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 .. ". " end

-- Lua Task 3 - Calculations and tests

p.converttemp = function(frame) cels = tonumber(frame.args.celsius) or 0 fahr = cels * 9 / 5 + 32 msg = cels .. " degrees celsius is " .. 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 " for i = 1, 12 do out = out .. i .. ' times ' .. numb .. ' equals ' .. i*numb .. " "	end return out end

function p.people(frame) local friends = {"Agnetha", "Betty", "Carlos", "Davinder", "Eloise", "Nick", "Martin", "Étienne"} local msg = "" for i=1, #friends do msg = msg .. "Hello " .. friends[i] .. " "	end return msg end

-- Task 5

function p.sent(frame) local txt = frame.args.text or "" local l1 = string.upper(string.sub(txt,1,1)) local ending = string.sub(txt,2) local out = l1 .. ending 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 .. " Day = " .. d .. " Month = " .. m end

-- Task 6

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

function p.fallbacklangs(frame) local langcode = frame.args.langcode local fallbacks = mw.language.getFallbacksFor(langcode) local out = "" for k,v in pairs(fallbacks) do out = out .. k .. " - " .. v .. " "	end return out end

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

p.pginfo = function(frame) local title = frame.args.title or "" local ttlobj = mw.title.new( title ) local out = "" if ttlobj then if ttlobj.exists then out = title .. " exists" else out = title .. " does not exist" end if ttlobj.isRedirect then out = out .. " and is a redirect" else out = out .. " and is not a redirect" end else out = "ERROR: Cannot find title of this input!" end return out end

return p