#!/bin/bash
# Relational pipes
# Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info)
#
# 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, version 3 of the License.
#
# 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/>.
# returns the inode number of given file
# not very useful – just a demo returning an integer attribute
if [[ $# == 0 ]]; then
echo "1";
echo "integer";
elif [[ -f "$1" || -d "$1" ]]; then
ls -d -i "$1" | cut -d' ' -f1 | tr -d '\n';
else
exit 40;
fi