#   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/newhistory-$$
export HISTFILE

trap 'rm -f $HISTFILE' EXIT

HISTSIZE=32
HISTFILESIZE=32
echo
set -o history
history -c
echo 0
echo 1
echo 2
echo "(left
mid
right)"
echo A
echo B
history -w
set +o history

echo
printf $'HISTFILE=\n\cRleft\cO\cO\cO\cO\n' | HISTSIZE= ${THIS_SH} --norc -i 2>/dev/null
echo
printf $'HISTFILE=\n\cRleft\cO\cO\cO\cO\n' | HISTSIZE=8 ${THIS_SH} --norc -i 2>/dev/null

input="$(cat $HISTFILE)
"$'\cP\cP\cP\cO\cO
'

echo
printf "$input" | HISTSIZE= HISTFILE= ${THIS_SH} --norc -i 2>/dev/null
echo
printf "$input" | HISTSIZE=6 HISTFILE= ${THIS_SH} --norc -i 2>/dev/null