Difference between revisions of "Module:String"
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what>IAlex m (adding "sub" method) |
what>IAlex m (make sub match current behaviour of {{str sub}}) |
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| Line 11: | Line 11: | ||
local arg3 = tonumber( frame.args[3] ) | local arg3 = tonumber( frame.args[3] ) | ||
if arg2 and arg3 then | if arg2 and arg3 then | ||
| − | return string.sub( arg1, | + | local first = arg2 + 1 |
| + | local last = first + arg3 | ||
| + | return string.sub( arg1, first, last ) | ||
else | else | ||
return "" | return "" | ||
Revision as of 11:16, 22 August 2012
local p = {}
function p.length( frame )
local arg1 = frame.args[1] return string.len( arg1 )
end
function p.sub( frame )
local arg1 = frame.args[1]
local arg2 = tonumber( frame.args[2] )
local arg3 = tonumber( frame.args[3] )
if arg2 and arg3 then
local first = arg2 + 1
local last = first + arg3
return string.sub( arg1, first, last )
else
return ""
end
end
return p
