#!/usr/bin/perl
#
# <@LICENSE>
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to you under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at:
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# </@LICENSE>

opendir TMP, "/tmp" or die "Cannot read /tmp\n";
my @files = grep {m/spamassassin/} readdir TMP;
closedir TMP;

my $hours = shift @ARGV || 12;
my $limit = time - ($hours * 3600);
printf "Removing tempfiles older than %s\n",scalar(localtime($limit));
foreach my $d (@files) {
    my $df = "/tmp/" . $d;
    next unless -d $df;
    my @stat = stat $df;
    next if $stat[9] > $limit;
    printf "$d -> %s\n",scalar(localtime($stat[9]));
    opendir TMP, $df or die "Cannot read $df\n";
    my @dfs = readdir TMP;
    closedir TMP;
    foreach my $f (@dfs) {
        next if $f eq '.';
        next if $f eq '..';
        my $fn = sprintf "%s/%s",$df,$f;
        unlink $fn;
    }
    rmdir $df;
}