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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/>.
#
# arithmetic operators for conditional commands and arithmetic commands
declare -A assoc
declare -a index
key='x],b[$(echo uname >&2)'
key1=']'
key2='` echo >&2 foo`'
key3='~'
key4='7<(4+2)'
key5='$( echo 2>& date)'
key6='$(echo foo)'
[[ -n assoc[$key] ]]
declare -p assoc
assoc[$key]=42
assoc[$key1]=12
assoc[$key2]=128
assoc[$key3]=42
assoc[0]=0
[[ assoc[$key] -eq assoc[$key] ]]
echo $?
[[ assoc[$key] -gt assoc[$key1] ]]
echo $?
[[ assoc[$key2] -lt assoc[$key] ]]
echo $?
[[ assoc[$key] -eq assoc[$key3] ]]
echo $?
[[ index[7<(4+2)] -le assoc[0] ]]
echo $?
[[ index[$key4] -le assoc[0] ]]
echo $?
assoc[$key5]=foo
declare -p assoc
echo "${assoc[$key5]}"
[[ -v assoc[$key5] ]]
echo $?
[[ -v assoc[$key] ]]
echo $?
unset assoc
declare -a array
index='0],b[1';
((array[$index]++))
declare -p array
unset array
declare -A assoc
assoc[$key]=42
assoc[$key4]=42
[[ -v assoc[$key] ]]
echo $?
[[ -v assoc["$key"] ]]
echo $?
[[ -v assoc[$key4] ]]
echo $?
[[ -v assoc["$key4"] ]]
echo $?
[[ -v assoc['$key'] ]]
echo $?
[[ -v assoc['$key4'] ]]
echo $?
unset -v assoc
declare -A aa
aa[$key5]=foo
declare -p aa
echo "${aa[$key5]}"
[[ -v aa[$key5] ]]
echo $?
[[ -v aa[$key] ]]
echo $?
aa[$key6]=42
# this still performs expansion
test -v aa["$key6"]
echo $?
# should be an error
test -v aa[$key6]
echo $?
unset aa key
declare -A assoc
mytest ()
{
assoc["$1"]=123
[[ -v assoc["$1"] ]]
printf '[[ -v assoc[%s] ]]; $?=%s\n' "$1" "$?"
}
mytest 'a'
mytest '"'
declare -p assoc
unset -v assoc
unset -f mytest
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