import os
import sys
import optparse

def FindString(msg,verbos):
	ResultFile = open("result","w")
	for (path,dirname,files) in os.walk("/usr"):
		for filenames in files:
			try:
				if verbos:
					print "[*]check "+path+"/"+filenames
				f = open(path+"/"+filenames,"r")
				buf = f.read()
				f.close()
				if msg in buf:
					ResultFile.write(path+"/"+filenames+"\n")
					print "[*]find "+path+"/"+filenames
			except:
				continue 

	ResultFile.close()

def main():
	parser = optparse.OptionParser(usage="FindString.py "+"-v True "+"Searc_String")
	parser.add_option("-v",dest="Vervos",type="string",help="Dicide whether print detail or not")

	(options,args) = parser.parse_args()
	if(len(args) == 0):
		print parser.usage
		return
	FindString(args[0],options.Vervos);	


if __name__ == '__main__':
	main()