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# 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 correct trap return codes = 2 means skip execution.
shopt -s extdebug
print_trap() {
echo "lineno: $1 ($LINENO) ${FUNCNAME[1]}"
if [[ $debug_exit == 2 ]] ; then
debug_exit=0
return 2
fi
return 0
}
debug_exit=0
trap 'print_trap $LINENO' DEBUG
x=1
echo "x is $x"
debug_exit=2
x=2
echo "x is $x"
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