# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
+# since we look at functions below, remove all functions now
+funcs=$(compgen -A function)
+if [ -n "$funcs" ]; then
+ unset -f $funcs
+fi
+
a()
{
x=$((x - 1))