#!/bin/sh

# Copyright (C) 2010, Jeremy Laidman
# under the GNU General Public License.
# For details: http://www.gnu.org/licenses/gpl.txt
#
# Based on an idea by Nathan Hand (manu.com.au)
#
# Version 0.2 - Sep 2010
# http://tools.rebel-it.com.au/supertail/

die() { echo "$@" >&2; exit 1; }

[ "$TAIL" ] || TAIL=tail
[ "$1" ] || die "Specify logfile(s)"
$TAIL --version >/dev/null 2>/dev/null || die "GNU tail not found."
PIDFILE=/var/run/supertail.pid
trap "rm -f $PIDFILE" INT QUIT TERM
echo $$ > $PIDFILE
for LOGFILE in "$@"; do
  TAG=`basename $LOGFILE`
  $TAIL --pid $$ -n0 -F "$LOGFILE" | logger -p mail.info -t "$TAG" &
done
wait