Please post your actual Perl code, and

use warnings;
use strict;
[download]

Preferably, a minimal example that illustrates the problem you are having. With things // comments, $box_1 vs $box1, it's hard to tell what your exact intent was, or which other errors may be masking the real problem.

how can i assign the current value of the array to a varible?so that i can insert it into mapping table

Given your code, my guess is that you want the last value (in this case, the last one pushed in the loop above) in @box1 to be assigned to $box_1. Is that correct? If so, you can do so like this:

my $box_1 = $box1[-1];

If that's not it, please clarify what you need, ideally with a concise example.

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