examples/discrete_points.rb | 3 2 + 1 - 0 !
examples/histogram.rb | 3 2 + 1 - 0 !
examples/multiple_data_sets.rb | 1 1 + 0 - 0 !
examples/sin_wave.rb | 3 2 + 1 - 0 !
test/arrtest.rb | 3 2 + 1 - 0 !
test/histtest.rb | 3 2 + 1 - 0 !
test/multtest.rb | 3 2 + 1 - 0 !
test/sinwave.rb | 3 2 + 1 - 0 !
test/test_gnuplot.rb | 2 1 + 1 - 0 !
9 files changed, 16 insertions(+), 8 deletions(-)

 fix tests so that they can run non-interactively