在soap4r gem的帮助下，我编写了ruby代码来访问magento核心api。当我运行代码时，它运行良好，但问题是它应该给出大量的肥皂警告。
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/xsd/charset.rb:13: warning: variable $KCODE is no longer effective
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/property.rb:68: warning: encoding option is ignored - u
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/property.rb:69: warning: encoding option is ignored - u
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/property.rb:70: warning: encoding option is ignored - u
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
我收到了上述警告。所以有人告诉我如何隐藏这些警告。谢谢。