diff --git a/runcheckdir.pl b/runcheckdir.pl
line changes: +96/-0
index 0000000..5f07d21
--- /dev/null
+++ b/runcheckdir.pl

@@ -0,0 +1,96 @@
+#!/usr/bin/perl
+use File::Basename;
+use strict;
+
+
+my $dir = shift;
+unless (-d $dir) {
+	print "Arg is not a directory";
+	exit 1;
+}
+my $me = basename $dir;
+my ($status, $details);
+
+sub do_command {
+	my $command = shift;
+	$command =~ /^(\w+)(\s+(.*))?$/;
+	my ($do, $args) = ($1, $3);
+	if ($do eq 'mail') {
+		open MAIL, '|-', qq!mail -s "$me $status" $args! or die "Could not mail";
+		print MAIL $details,"\n";
+		close MAIL;
+	} elsif ($do eq 'exec') {
+		system($args);
+	} elsif ($do eq 'pipe') {
+		open PIPE, '|-', $args;
+		print PIPE "$status\n";
+		print PIPE $details;
+		close PIPE;
+	}
+}
+
+
+my ($checkcommand, %on);
+$on{success} = [];
+$on{failure} = [];
+$on{change} = [];
+
+open CONFIG, "$dir/check";
+while (<CONFIG>) {
+	my @words = split(/\s+/);
+	my $command = shift @words;
+	if ($command eq 'check') {
+		$checkcommand = join(' ', @words);
+	} elsif ($command eq 'on') {
+		my $when = shift @words;
+		if ($when eq 'failure') {
+			push @{$on{failure}}, join(' ', @words);
+		} elsif ($when eq 'success') {
+			push @{$on{success}}, join(' ', @words);
+		} elsif ($when eq 'change') {
+			push @{$on{change}}, join(' ', @words);
+		} else {
+			print "Unknown event in 'on', $dir/check line $.\n";
+		}
+	} else {
+		print "Unknown command '$command', $dir/check line $.\n";
+	}
+}
+close CONFIG;
+
+unless ($checkcommand) {
+	print "Check command not specified in $dir/check\n";
+	exit 1;
+}
+unless (@{$on{failure}} || @{$on{success}} || @{$on{change}}) {
+	print "No actions specified in $dir/check. This is probably a mistake.\n";
+}
+
+open STATUS, "$dir/checkstatus";
+chomp(my $oldstatus = <STATUS>);
+close STATUS;
+
+open CHECK, '-|', $checkcommand;
+$status = <CHECK>;
+$details = join('', <CHECK>);
+close CHECK;
+my $exitstatus = $? >> 8;
+
+if ($exitstatus == 0) {
+	foreach my $command (@{$on{success}}) {
+		do_command $command;
+	}
+} else {
+	foreach my $command (@{$on{failure}}) {
+		do_command $command;
+	}
+}
+if ($exitstatus != $oldstatus) {
+	foreach my $command(@{$on{change}}) {
+		do_command $command;
+	}
+}
+
+open STATUS, ">$dir/checkstatus";
+print STATUS "$exitstatus\n";
+close STATUS;