busybox awk array length bug

[John Spencer]

On 08/04/2013 09:18 PM, Alain Mouette wrote:
> Someething strange...
> On my machine, Debian, I get:
>
> $ awk 'BEGIN{ A[1]=2; print length(A)}'
> awk: line 1: illegal reference to array A
>

this happens with ancient versions of gawk,
for example GNU Awk 3.1.2.

more recentish ones return 1:

~ $ gawk 'BEGIN{ A[1]=2; print length(A)}'
1
~ $ gawk --version
GNU Awk 3.1.6

same for 4.0.0.