Answers for "all exception in ruby"

ruby try catch

begin  # "try" block
    puts 'I am before the raise.'  
    raise 'An error has occurred.' # optionally: `raise Exception, "message"`
    puts 'I am after the raise.'   # won't be executed
rescue # optionally: `rescue Exception => ex`
    puts 'I am rescued.'
ensure # will always get executed
    puts 'Always gets executed.'
end

ruby catch all exceptions

begin
  raise 'This exception will be rescued!'
rescue StandardError => e
  puts "Rescued: #{e.inspect}"
end