#!/usr/bin/env python
# Copyright 2005 Daniel Cer (daniel.cer@cs.colorado.edu)
#
# This work is licensed under the Creative Commons Attribution-NonCommercial-
# ShareAlike License. To view a copy of this license, visit 
# http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to 
# Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 
# 94105, USA.

import sys

# bubble_sort - sort, in place, the list given by 'entries'. 
# As a convenience, the list 'entries' is also returned by this function
def bubble_sort(entries):
  for i in xrange(len(entries)-1,-1,-1):
    for j in xrange(0, i):
      if entries[j+1] < entries[j]: 
        (entries[j+1], entries[j]) = (entries[j], entries[j+1]) 
  return entries

if len(sys.argv) != 2:
  print >>sys.stderr,"Usage:\n\t%s (file with numbers to sort)" % sys.argv[0]
  sys.exit(-1)

# read in the entries
fh = open(sys.argv[1])
entries = []
for entry in fh: entries.append(float(entry))
fh.close()

# sort them
bubble_sort(entries)

# display the results
for entry in entries: print entry