1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#!/usr/bin/env python
# Remove lines matching any line of several input files.
# Copyright (C) 2001-2003 Lysator Academic Computer Association.
#
# This file is part of the LysKOM server.
#
# LysKOM is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 1, or (at your option)
# any later version.
#
# LysKOM is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with LysKOM; see the file COPYING. If not, write to
# Lysator, c/o ISY, Linkoping University, S-581 83 Linkoping, SWEDEN,
# or the Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
# MA 02139, USA.
#
# Please report bugs at http://bugzilla.lysator.liu.se/.
# Read and remember each line from all the file names given as arguments.
# Then, read stdin, remove any line present in the input files, and
# print the rest to stdout.
import sys
def add_contents(filename, m):
f = open(filename, "r")
while 1:
line = f.readline()
if line == "":
break
if line[-1] == "\n":
line = line[:-1]
m[intern(line)] = None
f.close()
def filter_file(f, m):
while 1:
line = f.readline()
if line == "":
break
if line[-1] == "\n":
line = line[:-1]
if not m.has_key(line):
print line
def main(files):
m = {}
for fn in files:
add_contents(fn, m)
filter_file(sys.stdin, m)
if __name__ == '__main__':
main(sys.argv)
|
