>
>  If the global $, is okay, you can just do arr.join, but if you can't
>  be sure, then arr.join ""

There is no  need to use the empty string as parameter it is the
default, OP should however know  that split and join do not have the
same default parameters

space = " "
empty = ""
split is the same as split( space )
and
join is the same as join( empty )
:(
Cheers
Robert


-- 
http://ruby-smalltalk.blogspot.com/

---
Whereof one cannot speak, thereof one must be silent.
Ludwig Wittgenstein