--- a/numerics/bar.py	Sun Mar 15 08:28:42 2015 -0700
+++ b/numerics/bar.py	Sun Mar 15 08:53:30 2015 -0700
@@ -12,9 +12,9 @@
 import argparse
 import csv
 import os
-import pandas as pd
-import subprocess
+#import pandas as pd
 import sys
+from .read import CSVParser
 from bokeh.charts import Bar
 from bokeh.plotting import *
 from collections import OrderedDict
@@ -30,14 +30,15 @@
     bar.show()
 
 class BarChartParser(CSVParser):
+    """command line options parser for bar charts"""
     # TODO: upstream to PlotParser
 
     def __init__(self, **kwargs):
         kwargs.setdefault('formatter_class', argparse.RawTextHelpFormatter)
         kwargs.setdefault('description', __doc__)
         CSVParser.__init__(self, **kwargs)
-        parser.add_argument('-t', '--title', dest='title',
-                            help="plot title")
+        self.add_argument('-t', '--title', dest='title',
+                          help="plot title")
 
 
 def main(args=sys.argv[1:]):
@@ -48,10 +49,10 @@
     options = parser.parse_args(args)
 
     # parse file
-    data = pd.read_csv(options.input, header=None, names=options.columns, index_col=0)
+#    data = pd.read_csv(options.input, header=None, names=options.columns, index_col=0)
 
     # generate bar chart
-    bar_chart(data, options.output, title=options.title or options.input.name)
+#    bar_chart(data, options.output, title=options.title or options.input.name)
 
 if __name__ == '__main__':
     main()