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#!/usr/bin/env bash
# libgamma — Display server abstraction layer for gamma ramp adjustments
# Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
#
# This library 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 library 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 library. If not, see <http://www.gnu.org/licenses/>.
beheading="$1"
data="$(cat)"
lines="$(echo "${data}" | wc -l)"
lines=$(( ${lines} - ${beheading} ))
if (( $lines > 0 )); then
echo "$(echo "${data}" | tail -n ${lines})"
fi
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