Initial version of this script.

remove-spam-high-confidence-maildir.plx

@@ -0,0 +1,85 @@
+#!/usr/bin/perl
+# Copyright (C) 2010, Bradley M. Kuhn
+#
+# This program gives you software freedom; you can copy, modify, convey,
+# and/or redistribute it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program 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 this program in a file called 'GPLv3'.  If not, write to the:
+#    Free Software Foundation, Inc., 51 Franklin St, Fifth Floor
+#                                    Boston, MA 02110-1301, USA.
+
+
+use strict;
+use warnings;
+
+use Mail::Header;
+#use File::Copy;
+
+if (@ARGV < 3) {
+  print STDERR "usage: $0 <MAILDIR_DIRECTORY> <DSPAM_PROBABILITY_MIN> <DSPAM_CONFIDENCE_LEVEL_MIN>\n";
+  exit 1;
+}
+
+my($MAILDIR_FOLDER, $DSPAM_PROB_MIN, $DSPAM_CONF_MIN) = @ARGV;
+
+my($total, $countDeleted) = (0, 0);
+
+foreach my $folder (@dupFolders) {
+  my @msgDirs = ("$folder/cur", "$folder/new");
+  foreach my $dir (@msgDirs) {
+    die "$MAILDIR_FOLDER must not be a maildir folder (or is unreadable by you), since $dir isn't a readable directory: $!"
+      unless  (-d $dir);
+  }
+  foreach my $dir (@msgDirs) {
+    opendir(MAILDIR, $dir) or die "Unable to open directory $dir for reading: $!";
+    while (my $file = readdir MAILDIR) {
+      next if -d $file;    # skip directories
+      my $existing_file = "$dir/$file";
+      open(MAIL_MESSAGE, "<", $existing_file) or
+        die "unable to open $existing_file for reading: $!";
+
+      my $header = new Mail::Header(\*MAIL_MESSAGE);
+      my $fields = $header->header_hashref;
+
+      my %dspamVal;
+      foreach my $val ('Confidence', 'Probability') {
+        foreach my $dv (@{$fields{"X-DSPAM-$val"}}) {
+          if (not defined $dspamVal{$val}) {
+            $dspamVal{$val} = $dv;
+          } else {
+            $dspamVal = $dv if $dv < $dspamVal{$val};
+          }
+        }
+        if (not defined $dspamVal{$val}) {
+          print STDERR "File $file has no X-DSPAM-$val header. Skipping.\n";
+          next;
+        }
+      }
+
+      $total++;
+
+      if ($dspamVal{Confidence}  >= $DSPAM_PROB_MIN and
+          $dspamVal{Probability} >= $DSPAM_CONF_MIN) {
+        $countDeleted++;
+      }
+    }
+    close MAIL_MESSAGE;
+  }
+  close MAILDIR;
+}
+
+print "$countDeleted of $total would be deleted\n";
+
+###############################################################################
+#
+# Local variables:
+# compile-command: "perl -c remove-dup-mails-from-maildir.plx"
+# End: