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var=$'x\001y\177z'
recho "$var"
recho $var
declare -p var
recho $(declare -p var)
declare -p var | sed -n l
recho ${var@Q}
recho ${var@P}
echo -E ${var@A}
unset array
array=( [$'x\001y\177z']=foo ) # should be error
echo -E ${array[@]@A}
unset array
declare -a array=([0]=$'x\001y\177z')
declare -p array
unset array
array=( "$var" )
recho ${array[@]}
echo -E ${array[@]@A}
unset array
declare -A array
array=( [$'x\001y\177z']=$'a\242b\002c' )
echo -E ${array[@]@A}
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