One of the reasons we don't simply give the answer is that if we gave you the following code:

perl "-aF:|\s" -nE"$h{shift @F}+=shift @F while @F}{say qq|$_\t=$h{$_}
+| for keys %h"  YOUR-FILE-NAME.txt
[download]

You probably would not learn anything, and may have difficulty explaining it.

On the other hand, if you do take the trouble of researching each construct used in that code, you could learn a great deal, and if you have trouble understanding a particular aspect, we would be glad to help.