#   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/>.
#
# problems with fix for posix interp 217 introduced in bash-4.2

declare -ax array
array[$(( $( echo -n 1001 ) - 1001 ))]=1 

echo ${array[0]}
echo ${array[@]}

unset 'array[0]'
array[$( echo -n 1001 ) - 1001 ]=1 
echo ${array[0]}

unset 'array[0]'
array[$(( 1001 - $( echo -n 1001 ) ))]=1 
echo ${array[0]}
array[$(( 1001 - $( echo -n 1001 ) ))]=1 
echo ${array[0]}

unset 'array[0]'
array[1001 - $( echo -n 1001 )]=1 
echo ${array[0]}