imported>Gnsjhenjie at 16:52, 9 December 2019

2019-12-09T16:52:29Z

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--gnsJhenJie Google Code-in 2019, Introduction to Lua in Wikipedia
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
if cel >9 then msg = "It is warm." else msg = "It is cold." end
fah = cel*9/5+32
msg = msg .. " " .. cel .. " degrees Celsius is " .. fah .. " degrees Fahrenheit. "
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","John","Jonah","Bill"}
local msg = ""
for i = 1, #family do
msg = msg .. "Hello " .. family[i] .. " "
end
return msg
end

p.sentence = function(frame)
local str = frame.args.words or ""
local out = string.upper(string.sub(str,1,1)) .. string.sub(str, 2)
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 langlist = mw.language.getFallbacksFor( langcode )
local langs = ""
for k, v in pairs(langlist) do
langs = langs .. k .. " - " .. v .. " "
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)
local exist = false
local redirect = false
if ttlobj.exists == true then exist = true end
if ttlobj.isRedirect == true then redirect = true end
if exist then
if redirect == true then
return ttl .. " exists and is a redirect "
else
return ttl .. " exists and is not a redirect "
end
else
return ttl .. " does not exist and is not a redirect "
end
end

return p

Module:Sandbox/Gnsjhenjie - Revision history

imported>Gnsjhenjie at 16:52, 9 December 2019