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-rwxr-xr-xinfo/behead24
1 files changed, 4 insertions, 20 deletions
diff --git a/info/behead b/info/behead
index 581bd51..9bd4ced 100755
--- a/info/behead
+++ b/info/behead
@@ -1,28 +1,12 @@
-#!/usr/bin/env bash
-
-# libgamma -- Display server abstraction layer for gamma ramp adjustments
-# Copyright (C) 2014, 2015 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/>.
+#!/usr/bin/env sh
+# See LICENSE file for copyright and license details.
beheading="$1"
data="$(cat)"
lines="$(echo "${data}" | wc -l)"
-lines=$(( ${lines} - ${beheading} ))
+lines=$(expr ${lines} - ${beheading} )
-if (( $lines > 0 )); then
+if test $lines -gt 0; then
echo "$(echo "${data}" | tail -n ${lines})"
fi
-