#   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/>.
#
: ${TMPDIR:=/var/tmp}
TRACEFILE=$TMPDIR/bash-trace-$$
trap 'rm -f $TRACEFILE' 0 1 2 3 6 15

BASH_XTRACEFD=4		# error, invalid FD

exec 4>$TRACEFILE
BASH_XTRACEFD=4

set -x

echo 1
echo 2
echo 3
echo 4

unset BASH_XTRACEFD
exec 4<&-		# no unset hooks yet

for f in a b c d e; do echo $f ; done

set +x

echo TRACEFILE:
cat $TRACEFILE
echo =====

exit 0
