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# 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/>.
#
# bash versions up to and including bash-5.1 expanded these subscripts more
# than once
declare -A A
A["Darwin"]=darjeeling
A['$(echo Darwin ; echo stderr>&2)']=darjeeling
declare -p A
echo ${A[$(echo Darwin ; echo stderr>&2)]//eel/shark}
echo ${A['$(echo Darwin ; echo stderr>&2)']//eel/shark}
echo ${A[$(echo Darwin ; echo stderr>&2)]:0:4}
echo ${A['$(echo Darwin ; echo stderr>&2)']:0:4}
echo ${A[$(echo Darwin ; echo stderr>&2)]^^}
echo ${A['$(echo Darwin ; echo stderr>&2)']^^}
echo ${A[$(echo Darwin ; echo stderr>&2)]@Q}
echo ${A['$(echo Darwin ; echo stderr>&2)']@Q}
echo ${A[$(echo Darwin ; echo stderr>&2)]%ing}
echo ${A['$(echo Darwin ; echo stderr>&2)']%ing}
echo ${#A[$(echo Darwin ; echo stderr>&2)]}
echo ${#A['$(echo Darwin ; echo stderr>&2)']}
echo ${A[$(echo Darwin ; echo stderr>&2)]:-value}
echo ${A['$(echo Darwin ; echo stderr>&2)']:-value}
echo ${A[$(echo Darwin ; echo stderr>&2)]:+set}
echo ${A['$(echo Darwin ; echo stderr>&2)']:+set}
echo ${A[$(echo Darwin ; echo stderr>&2)]:+set}
echo ${A['$(echo Darwin ; echo stderr>&2)']:+set}
darjeeling=7*6
Darwin=7*4
echo $(( ${A[$(echo Darwin ; echo stderr>&2)]} ))
echo $(( ${A['$(echo Darwin ; echo stderr>&2)']} ))
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