I've run my script and the result was: 
-> a
--> doc2: 4.5
--> doc7: 3.0

-> b
--> doc7: 11.4
--> doc10: 6.5

In reply to Re^3: How to sort Hashes of Hashes and print results in a file by gulden
in thread How to sort Hashes of Hashes and print results in a file by stan131

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