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Module:If empty

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Permanently protected module
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This is an old revision of this page, as edited by Codehydro (talk | contribs) at 18:51, 23 December 2014 (lua doesn't cast nil into blank strings apparently). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

-- this is intended to replace {{If empty}}
local p = {};
function p.run(frame)
	local args = require('Module:Arguments').getArgs(frame)
	local i = 0
	args[table.getn(args)] = ''
	while args[i] == nil or string.len(args[i]) == 0 do
		i = i + 1
	end
	return args[i]
end
return p
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