Module:If empty: Difference between revisions
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imported>Codehydro mNo edit summary |
imported>Codehydro (lua doesn't cast nil into blank strings apparently) |
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| Line 5: | Line 5: | ||
local i = 0 | local i = 0 | ||
args[table.getn(args)] = '' | args[table.getn(args)] = '' | ||
while | while args[i] == nil or string.len(args[i]) == 0 do | ||
i = i + 1 | i = i + 1 | ||
end | end | ||
Revision as of 18:51, 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 args[i] == nil or string.len(args[i]) == 0 do
i = i + 1
end
return args[i]
end
return p