Module:Sandbox/Shah Jahan Ishaq

--Shah Jahan Ishaq Google Code-in, Introduction to Lua in Wikipedia

--Lua Task 2 - 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"

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 in Fahrenheit."

if cel > 9 then

msg = msg .." It is warm."

else

msg = msg .. " It is cold."

end

return msg

end

-- 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", "David", "Benny", "Remy"}

local msg = ""

for x = 1,#family do

msg = msg .. "Hello " .. family[x] .. "
"

end

return msg

end

p.sentence = function(frame)

local str = frame.args.words or ""

local out = string.sub(str, 2)

out = string.upper(string.sub(str, 1, 1)).. out

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

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 fallbackCodes = mw.language.getFallbacksFor(langcode)

local code = ""

for k in pairs(fallbackCodes) do

code = code .. langcode .. "-" .. k .. "
"

end

return code

end

return p