docker-multitail

#!/usr/bin/env bash
# Copyright (c) 2016 Federico Fissore
#
# This program is free software: you can redistribute it and/or modify
# 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.  If not, see <http://www.gnu.org/licenses/>.

LINES=10

if [ "$1" == "-n" ]
then
	LINES=$2
	shift
	shift
fi

for CONTAINER_NAME in "$@"
do
	PARAMS="$PARAMS -cT ansi -l 'docker logs --tail=$LINES -f $CONTAINER_NAME'"
done

eval "multitail $PARAMS"