Module:Sandbox/ComputerGuy101 explained

--ComputerGuy101 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

p.converttemp = function(frame) cels = tonumber (frame.args.celsius) or 0 fahr = (cels*9) / 5 + 32 or 0 msg = cels .. " degrees Celsius is equal to " .. fahr .. " degrees Fahrenheit." if cels > 9 then msg = msg .. " It is warm." else msg = msg .. " It is cold." end return msgend

-- 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 .. numb .. " times " .. i .. " equals " .. i*numb .. "
" end return outend

function p.people(frame) local friends = local msg = "" for i = 1, #friends do msg = msg .. "Hello " .. friends[i] .. "
" end return msgend

function p.sent(frame) local txt = frame.args.text or "" local out = string.upper (string.sub(txt, 1, 1)) .. string.sub(txt, 2) return outend

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 = " .. mend

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 code = frame.args.langcode local list = mw.language.getFallbacksFor(code) local out = "" for k, v in pairs(list) do out = out .. v .. "
" end return outend

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

p.pginfo = function(frame) local txt = "" local title = frame.args.title or 0 local ttlobj = mw.title.new(title) if ttlobj

nil then txt = "No tile is given as input. Please check your code." else local whthr_exists = ttlobj.exists local whthr_redir = ttlobj.isRedirect if whthr_exists

true then if whthr_redir

true then txt = ttlobj.text .. " exists and it is a redirect" else txt = ttlobj.text .. " exists and it is not a redirect" end else txt = ttlobj.text .. " does not exists and it is not a redirect" end end return txtend

return p