Module:Sandbox/Angr pukhlya

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--angr_pukhlya, Google Code-in, Introduction to Lua in Wikipedia

--GCI, Lua Task 2 - Working with modules
local p = {} -- p stands for package

function p.hello( frame )
    return (string.match(frame.args.d or '', "%U*(%u*%u%u)") or '') .. "gj" 
end

p.Hi = function(frame)
	strName = frame.args.name or "Jimbo"
	return "Hello from Lua to my friend " .. strName .. ".<br>"
end

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

-- Task 4
p.times = function(frame)
	local num = tonumber( frame.args.num ) or 2
	local out = num .. " times table<br>"
	for i = 1, 12 do
		out = out .. num .. " times " .. i .. " equals " .. i * num .. "<br>"
	end
	return out
end

p.mum = function(frame)
	local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "Mary Sue", "Somebody else", "Rocky"}
	local msg = ""
	for i = 1, #family do
		msg = msg .. "Hello " .. family[i] .. "<br>"
	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 .. "<br>Day = " .. day .. "<br>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 .. "<br>"
		count = count + 1
	end
	return langs .. "<br>= " .. count .. " languages"
end

p.fallbacks = function(frame)
        local langcode = frame.args.langcode or "en" 
	local langlist = mw.language.getFallbacksFor(langcode)
	local langs = ""
	for k = 1, #langlist do
		langs = langs .. langlist[k] .. "<br>"
	end
	return langs .. "<br>= " .. #langlist .. " languages"
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 or ""
	local ttlobj = mw.title.new( ttl )
	answer = ttl
	if ttlobj == nil then
		answer = "Invalid title"
	else do
		if ttlobj["exists"] == true then
			answer = answer .. " exists and "
		else do
			answer = answer .. " does not exist and "
		end
		end
		if ttlobj["isRedirect"] == true then
			answer = answer .. " is a redirect"
		else do
			answer = answer .. " is a not redirect"
		end
		end
	end
	end
	return answer
end
return p