Luis Casillas wrote:
> The file "vars.rb" do nothing but define some global variables:
> 
> DIRROOT = "/usr/local/corpora/220A/"
> $: << [ DIRROOT + "/Ruby/" ]

replace this line with:
$: << (DIRROOT + "/Ruby/")

You have added an array to the search path where only 
String are allowed.

Regards

Michael
 

-- 
Michael Neumann