Initial commit.

doc/filterlines.py

+#!/usr/bin/env python
+# Remove lines matching any line of several input files.
+
+# Copyright (C) 2001-2002  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 mail bug reports to bug-lyskom@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)

doc/tac.py

+#!/usr/bin/env python
+# Reverse the contents of stdin.
+
+# Copyright (C) 2001-2002  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 mail bug reports to bug-lyskom@lysator.liu.se. 
+
+import sys
+
+def main():
+    # Known limitation: we fail if the last line doesn't end with a newline.
+    lines = sys.stdin.readlines()
+    lines.reverse()
+    for line in lines:
+        sys.stdout.write(line)
+
+if __name__ == '__main__':
+    main()