imported>Ohmomar at 17:27, 9 November 2018

2018-11-09T17:27:15Z

New page

--Ohmomar 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

function p.temperature( frame )
cel = tonumber(frame.args.celsius) or 0
fah = 9 * cel/5 + 32
msg = ""..cel.. " degrees Celsius is " ..fah.." degrees Fahrenheit."
if cel > 9 then
msg = msg .. " It is warm."
return msg
else
msg = msg .. " It is cold."
return msg
end
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", "Ohm", "Rakesh", "Raj"}
local msg = ""
for i = 1, #family do
msg = msg .. "Hello " .. family[i] .. " "
end
return msg
end

--Task 5

p.sentence = function(frame)
local str = frame.args.words or ""
local out = string.sub(str, 1, 1)
out = string.upper(out)
local run = string.sub(str, 2, #str)
out = out..""..run..""
return out
end

p.unpackdate = function(frame)
local dmydate = frame.args.dmydate or ""
local month, day, year = string.match(dmydate, "(%w+) (%d+), (%d+)")
return "Year = " .. year .. " Day = " .. day .. " Month = " .. month
end

--Task 6

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 langcode = mw.language.getFallbacksFor( langcode )
local langs = ""
local count = 0
for k, v in pairs(langcode) do
langs = langs .. k .. " - " .. v .. " "
count = count + 1
end
return 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 ttl = frame.args.title
local ttlobj = mw.title.new( ttl )
if ttlobj then
if ttlobj.exists then
if ttlobj.isRedirect then
local txt = ttlobj.text.." exits and is a redirect"
return txt
else
local txt = ttlobj.text.." exits and is not a redirect"
return txt
end
else
local txt = ttlobj.text.." does not exist and is not a redirect"
return txt
end
else
local txt = "Invalid title"
return txt
end
end
return p

Module:Sandbox/Ohmomar - Revision history

imported>Ohmomar at 17:27, 9 November 2018