DBM Demo : DBM « Database « Python

DBM Demo

import sys, os, anydbm, linecache
dbmIn = anydbm.open('indexfile')
sep = os.pathsep
sep2 = sep * 2
for word in sys.argv[1:]:
    if not dbmIn.has_key(word):
         sys.stderr.write('Word %r not found in index file\n' % word)
    places = dbmIn[word].split(sep2)
    for place in places:
        fname, lineno = place.split(sep)
        print "Word %r occurs in line %s of file %s:" % (word,lineno,fname)
        print linecache.getline(fname, int(lineno)),


Related examples in the same category

1.Generic access to DBM-style databases Generic access to DBM-style databases
2.store and fetch data by key