#!/bin/sh
#
# Copyright © 2021  Jonas Smedegaard <dr@jones.dk>
# Description: pipe a command to less with INT signal blocked
#
# 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 2, or (at your option) any later version.
#
# Thanks to Jakub Wilk <jwilk@debian.org> for the trick
#
# Depends: less

set -e

PRG=$(basename "$0")

showhelp() {
	cat <<EOF
Usage:   $PRG command [opetions...]

Example: $PRG journalctl -ef
EOF
}

exit1() {
	echo "ERROR: $1"
	exit 1
}

if [ $# -eq 0 ]; then
	showhelp
	exit1 "not enough parameters"
fi

exec env --ignore-signal=INT "$@" | less