Module:ET sort key

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This module returns an appropriate sort key for equal-step tuning-related pages to enable numerical sorting instead of alphabetical sorting.

Introspection summary for Module:ET sort key

Functions provided (2)
Line	Function	Params	Description
6	`et_sort_key` (invokable)	`(frame)`	Return a string of #'s corresponding to the size (#notes/equave) of the ET
11	`_et_sort_key` (main)	`(tuning)`

Lua modules required (2)
Variable	Module	Functions used
getArgs	Module:Arguments	`getArgs`
ET	Module:ET	`parse`

local getArgs = require("Module:Arguments").getArgs
local ET = require("Module:ET")
local p = {}

-- return a string of #'s corresponding to the size (#notes/equave) of the ET
function p.et_sort_key(frame)
	local args = getArgs(frame)
	return p._et_sort_key(args[1])
end

function p._et_sort_key(tuning)
	local et = ET.parse(tuning)
	local size = tostring(et.size)
	local sort_key = string.rep("#", size:len())
	return sort_key
end

return p