#!/usr/local/bin/perl
#----

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;
}