#   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/>.
#

# repeat - repeat a command
# 
# usage: repeat [-e] N command [arg...]
#
# Evaluate COMMAND ARGs N times. If -e is supplied, use eval

repeat()
{
	local _i _count _e

	[[ $1 = -e ]] && {
		e=1
		shift
	}

	(( $# < 2 )) && {
		echo 'repeat: usage: repeat [-e] N command [arg...]' >&2
		return 2
	}

	_count=$1
	(( $_count < 1 )) && {
		echo "repeat: count must be >= 1" >&2
		return 2
	}
	shift

	for ((_i = 1; _i <= $_count; _i++)); do
		if [ "$e" ]; then
			eval "$@"
		else
			"$@"
		fi
	done
}
