Module:If empty: Difference between revisions

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(oh, misread doc; thought opposite purpose for template)
mNo edit summary
Line 5: Line 5:
 
local i = 0
 
local i = 0
 
args[table.getn(args)] = ''
 
args[table.getn(args)] = ''
while not string.len(args[i]) do
+
while 0 == string.len(args[i]) do
 
i = i + 1
 
i = i + 1
 
end
 
end

Revision as of 13:45, 23 December 2014

Documentation for this module may be created at Module:If empty/doc

-- 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 0 == string.len(args[i]) do
		i = i + 1
	end
	return args[i]
end
return p