# 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 . # trap 'echo ERR: $LINENO: -$BASH_COMMAND- failed' ERR # the conditional command will fail, then func will fail func() { [[ -z nonempty ]] } # func will fail func set -E # the conditional command will fail, then func will fail func set +E func2() { return 1 } # func2 will fail func2 # if we change so that `return 1' triffers the ERR trap, this will change set -E func2 set +E