#   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/>.
#
HISTFILE=${TMPDIR}/bashhist-$$

set -o history
set -o histexpand

echo a
echo $(echo !!)

echo a
echo !! $(echo !!)

echo b
echo '!!' '$(echo !!)'

echo c
echo "!!" "$(echo !!)"

echo d
echo "!!" $(echo "!!")

echo e
echo '!!' $(echo '!!')

echo f
echo '!!'
echo f
eval echo '!!'

echo g
echo "!!"
echo g
eval echo "!!"

echo h
echo \!\! `echo !!`

echo i
echo !! `echo !!`

echo j
echo `echo j` !!

set +o history
rm -f $HISTFILE		# just in case