""" Primera prova d'un indexador, prova en memoria local"""

import os
import sys
import re
import glob

word_index = {}

def index_file (parsed_str, filename):
#	print parsed_str
	for i in parsed_str :
		try:	# Ja existeix la paraula a l'index
			list = word_index[i]
			if filename in list : #el nom d'aquest fitxer ja esta a la llista
				pass
			else:			#Nova paraula pel fitxer
				list.append ( filename )
		except:
			list = [ filename ]
			word_index[i] = list
	

def parse_file(filename):
	file = open (filename,"rt")
	str = file.read()
	pattern = re.compile (r"[^\w^\s]")
	str = pattern.sub(" ",str)
	pattern = re.compile (r"\s+")
	str = pattern.sub(" ",str)
	pattern = re.compile (r"^\s")
	str = pattern.sub("",str)
	pattern = re.compile (r"\b\w{1,2}\b")
	str = pattern.sub("",str)
	pattern = re.compile (r"\b")
	str = pattern.sub("X",str)
	pattern = re.compile (r"X(\w+)X")
	str = pattern.findall(str)
	#print str
	
	file.close();
	return str

if __name__ == "__main__":
	for i in glob.glob('./index_dir/*'):
		print "Indexing ",i," ..."
		str = parse_file (i)	
		str = index_file(str, i)
	
	while 1 :
		paraula = sys.stdin.readline()
		
		
		pattern = re.compile (r"\W")
		paraula = pattern.sub("",paraula)
		print paraula,"a"
		try:	
			for i in word_index[paraula]:
				print i
		except:
			print "no trobat"