Ruby Exception Handling cheatsheet

gistfile1.rb

begin
  #do something...
  raise Exception, "Error message"
  raise ArgumentError
rescue Exception => e 
  puts e.message
rescue ArgumentError => e
  puts e.message
ensure

end

#Exceptions
Exception
 NoMemoryError
 ScriptError
   LoadError
   NotImplementedError
   SyntaxError
 SignalException
   Interrupt
 StandardError
   ArgumentError
   IOError
     EOFError
   IndexError
   LocalJumpError
   NameError
     NoMethodError
   RangeError
     FloatDomainError
   RegexpError
   RuntimeError
   SecurityError
   SystemCallError
   SystemStackError
   ThreadError
   TypeError
   ZeroDivisionError
 SystemExit
 fatal


#catch
message = catch(:error) do
  throw :error, "error"
end
#=> "error"