Module:Randomize list

Module documentation

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This module randomizes the order of a list; it accepts an unlimited amount of parameters (the list contents). Randomization will occur every time the page is re-parsed; purging can trigger this process.

Example usage

Code

{{#invoke:Randomize list|main|apple|banana|cherry}}

Output

bananacherryapple

TemplateData

Randomizes the order of a list, accepting an unlimited amount of unnamed parameters (the list contents).

Template parameters[Edit template data]

Parameter		Description	Type	Status
Item 1	1	First item of list Example apple	Unknown	required
Item 2	2	Second item of list Example banana	Unknown	required
Item 3	3	Third item of list Example cherry	Unknown	optional

The above documentation is transcluded from Module:Randomize list/doc. (edit | history)
Editors can experiment in this module’s sandbox (create | mirror) and testcases (create) pages.
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-- Randomizes the order of input parameters
-- By [[User:EpicPupper]]

local p = {}

function p.main(frame)
    -- Get all the input strings from the template parameters
    local inputs = {}
    for i, v in ipairs(frame.args) do
        table.insert(inputs, v)
    end
    
    -- Randomly shuffle the input strings
    math.randomseed(os.time())
    for i = #inputs, 2, -1 do
        local j = math.random(i)
        inputs[i], inputs[j] = inputs[j], inputs[i]
    end
    
    -- Generate the output string
    local output = table.concat(inputs)
    
    -- Return the output string
    return output
end

return p