source: tools/stat.py @ f00b26d4

#!/usr/bin/python

import sys
import numpy

if len(sys.argv) != 2 :
        sys.exit("Expected file name as only argument")

try:
        with open(sys.argv[1]) as f:
                content = f.readlines()
                content = [x.strip() for x in content]
                content = [float(x) for x in content]   # expect floating-point strings
                content.remove(max(content))            # need at least 4 data values because
                content.remove(min(content))            # the max and min values are removed
                med = numpy.median(content)
                avg = numpy.mean  (content)
                std = numpy.std   (content)
                print "median {0:.1f} avg {1:.1f} stddev {2:.1f}".format( med, avg, std )


except IOError as e:
        sys.exit(e.strerror)