Module:Sandbox/Redlead07 Explained

--Redlead07 Google Code-in, Introduction to Lua in Wikipedia--Redlead07 Google Code-in, Working with moduleslocal 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 .. ".
"end

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

-- Task 4p.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 outend

p.mum = function(frame) local family = local msg = "" for a = 1, #family do msg = msg .. "Hello " .. family[a] .. "
" end return msgend

p.sentence = function(frame) local str = frame.args.words or "" local str = str:gsub("^%l", string.upper) local out = string.sub(str, 2) local out = str return outend

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 = " .. monthend

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 langlist = mw.language.getFallbacksFor(langcode) local langs = "" local count = 0 for k = 1, #langlist do langs = langs .. langlist[k] .. "
" end return langcode.." =".."
".. 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.ttl or "" local ttlobj = mw.title.new(title) if ttlobj

nil then return "The title is invalid.".."
" end local txt = ttlobj.text if ttlobj.exists then txt = txt.." exists" else txt = txt.." does not exists" end if ttlobj.isRedirect then return txt.." and is a redirect.".."
" else return txt.." and is not a redirect.".."
" endend

return p