bm.py

#!/usr/bin/python

import os
import fcntl, sys, termios
from difflib import SequenceMatcher

del sys.argv[0]
ARGS = ' '.join(sys.argv)
SKIP = ['cd', '', 'ls', 'cd ..']

class colors:
	BLUE = '\033[94m'
	GREEN = '\033[92m'
	WARNING = '\033[93m'
	ENDC = '\033[0m'

	@staticmethod
	def green_text(string):
		return "%s%s%s" % (colors.GREEN, string, colors.ENDC)

	@staticmethod
	def blue_text(string):
		return "%s%s%s" % (colors.BLUE, string, colors.ENDC)

	@staticmethod
	def warn_text(string):
		return "%s%s%s" % (colors.WARNING, string, colors.ENDC)

file_input = open(os.path.join(os.path.expanduser('~'), '.bash_history'))
lines = file_input.readlines()

results = set()
strong_results = set()
for line in lines:
	if line not in SKIP:
		results.add( ( SequenceMatcher(None, line, ARGS).ratio(), line.strip() ) )

	to_strong = True
	for args in sys.argv:
		if args.lower() not in line.lower():
			to_strong = False
			break
	if to_strong:
		strong_results.add(line.strip())

results = list(results)
results.sort()
results = results[len(results)-10:]

print_list = list(strong_results) + [element[1] for element in results]

print_list.reverse()
for index, line in enumerate(print_list):
	print "%s: %s" % (colors.green_text( str(len(print_list) - index) ), line)

try:
	choise = int(raw_input("> "))
	command = print_list[len(print_list) - choise]

	for char in command:
		fcntl.ioctl(sys.stdin, termios.TIOCSTI, char)
except:
	pass