| # 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" |