A simple RSpec formatter to give you the example file and line, along with a description and status.

line_formatter.rb

require 'rspec/core/formatters/base_text_formatter'

# RSpec 2
# rspec --require <path_to>/line_formatter.rb --format LineFormatter spec/

# ./spec/lib/a_spec.rb:39
# Success  Thing#with_thing does thing
#
# ./spec/lib/a_spec.rb:45
# pending  Thing#does_other_thing is pending
#
# ./spec/lib/a_spec.rb:67
# FAILURE  Thing#should_never_happen fails
#
# < summary, blah blah>

class LineFormatter  < RSpec::Core::Formatters::BaseTextFormatter
  def example_started(example)
    super(example)
    output.puts example.location
  end

  def example_passed(example)
    super(example)
    output.print success_color('Success  ')
    output.puts example.full_description
    output.puts
  end

  def example_pending(example)
    super(example)
    output.print pending_color('pending  ')
    output.puts example.full_description
    output.puts

  end

  def example_failed(example)
    super(example)
    output.print failure_color('FAILURE  ')
    output.puts example.full_description
    output.puts
  end

  def start_dump
    super()
    output.puts
  end
end