On Sat, May 27, 2017 at 2:07 PM, 林博仁 <buo.ren....@gmail.com> wrote: [...]
Please read the discussions in https://lists.gnu.org/archive/html/bug-bash/2016-06/msg00067.html and https://lists.gnu.org/archive/html/bug-bash/2014-11/msg00099.html When you use an associative array without an explicit subscript, it'll refer to the element with key '0': $ declare -A AA=(['0']=zero ['1']=one); echo "$AA" zero $ declare -A AA=(['1']=one); echo "$AA" *empty*
