Difference between revisions of "Module:String"

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>IAlex
m (adding "sub" method)
>IAlex
m (make sub match current behaviour of {{str sub}})
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, arg2, arg3 )
        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

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

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