#   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/>.
#
# test FUNCNEST functionality -- bash-4.2
FUNCNEST=100

foo()
{
	(( f++ ))
	if (( f > 200 )); then
		return 7
	fi
	foo
}

f=0
foo
echo $?
echo after: f = $f

f=0
foo
echo $?
echo after: f = $f

f=0
FUNCNEST=0
foo
echo $?
echo after FUNCNEST reset: f = $f

f=0
unset FUNCNEST
foo
echo $?
echo after FUNCNEST unset: f = $f

FUNCNEST=20
f=$(( FUNCNEST - 2 ))
foo
echo $?
echo after FUNCNEST assign: f = $f
