Hello Monks I'm new in perl and i would like your help with this
i have a hash like this
%hash(
AA=>1
AB=>5
AC=>7
AD=>3
AE=>4
...
...
...
BA=>2
BB=>4
BC=>16
BD=>21
...
...
...
...
ZA=>12
ZB=>1
ZC=>3
...
...
ZY=>2
ZZ=>2);

[download]
the problem is that it has the keys i want but also the reverse of them with different values.
I want a hash containing the unique keys (not the reversed ones) and as values the summing of them.
For eg the key AB and the key BA is the same for me.Iwant the new hash to contain as a key the AB and as value the number 7 (AB=5),(BA=2)
any idea please?

In reply to confused with a hash which contains reversed keys by Anonymous Monk

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