Re: strings

["RJP Computing" <rjpcomputing@...>]

On Sun, Dec 21, 2008 at 3:53 PM, Sean Farrow <sean.farrow@seanfarrow.co.uk> wrote:

Hi:

if a string is empty, i.e "" can I compare it with nil?

Chers

Sean.

Use 'string.len()' to compare the size to 0.

example:
local str = ""
if str:len() == 0 then
    print( "The string is empty" )
else
    print( "The string has some content" )
end
-- 
Regards,
Ryan