sql_save.py

import fileinput, sqlite3
connect = sqlite3.connect('database.db')
cursor = connect.cursor()
with connect:
    cursor.execute('CREATE TABLE IF NOT EXISTS Words '
                   '(Word TEXT, File TEXT, Line INT)')
    for line in fileinput.input():
        f, l = fileinput.filename(), fileinput.filelineno()
        cursor.executemany('INSERT INTO Words VALUES (:w, :f, :l)',
            [{'w':w, 'f':f, 'l':l} for w in line.split()])
connect.close()