#!/usr/bin/python -Wall

# ================================================================
# John Kerl
# kerl at math dot arizona dot edu
# 2009-10-08
# Please see http://math.arizona.edu/~kerl/doc/python-talk.pdf for
# more information.
# ================================================================

import tabutil
import pylab
import sys

input_file_name = '-' # Read from standard input
if len(sys.argv) == 2:
	input_file_name = sys.argv[1]
[us, vs] = tabutil.float_columns_from_file('-')
pylab.figure()
pylab.plot(us,vs)
pylab.show()