added Ruby version check

git-svn-id: http://biopieces.googlecode.com/svn/trunk@1084 74ccb610-7750-0410-82ae-013aeee3265d

diff --git a/code_ruby/Maasha/lib/biopieces.rb b/code_ruby/Maasha/lib/biopieces.rb
index ca9de4e22f5404e9de7008289fdbe44af965b68b..78a00505ed8ea72f0fd05b1a09974aad58991d25 100644 (file)
--- a/code_ruby/Maasha/lib/biopieces.rb
+++ b/code_ruby/Maasha/lib/biopieces.rb
@@ -1,3 +1,5 @@
+raise "Ruby 1.9 or later required" if RUBY_VERSION < "1.9"
+
 # Copyright (C) 2007-2010 Martin A. Hansen.
 
 # This program is free software; you can redistribute it and/or