split.sh

#!/bin/sh
#########################################################################
# Copyright (C) Claus Schrammel <claus@f05fk.net>                       #
#                                                                       #
# 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/>. #
#                                                                       #
# SPDX-License-Identifier: GPL-3.0-or-later                             #
#########################################################################

if [ "x$2" = "x" ]
then
    echo "usage: $0 <name> <page size>" 1>&2
    echo "e.g.: $0 schreiner 1072x1618" 1>&2
    exit 1
fi

convert $1.png -crop $2 +repage $1%02d.png