& last()
 
  Syntax: last(<string>[, <delim>])
 
  Returns the last word of a string, that is, everything to the right 
  of the last space in the string, or the entire string if there are 
  no spaces in the string.
 
  The <delim> argument may be used to specify a delimiter other than 
 'space'.
 
  Example:
 
  > say last(This is a test)
  You say "test"
  > say last(Happy-Fun-Test-Thing,-)
  You say "Thing"
 
	See Also: first(), rest(), extract()