ex/colx.rb in rio-0.3.2 vs ex/colx.rb in rio-0.3.3

@@ -1,6 +1,8 @@
 #!/usr/bin/env ruby
 require 'rio'
 
-rio('ex/rgb.txt.gz').gzip.lines(/^\s*(\d+)\s+(\d+)\s+(\d+)\s+(\S.+)/) do |line,ma| 
+RGBFILE = rio(__FILE__).dirname/'rgb.txt.gz'
+
+RGBFILE.gzip.lines(/^\s*(\d+)\s+(\d+)\s+(\d+)\s+(\S.+)/) do |line,ma| 
   printf("#%02x%02x%02x\t%s\n",ma[1],ma[2],ma[3],ma[4])
 end