I am reading an input file to create a hash. My data looks like this. ...

That isn't a perl data structure, the one you call %timing1 in your code

If you're asking about sorting some hash, ddumperBasic debugging checklist to visualize the data structure you have (lesson courtesy of Basic debugging checklist and brian's Guide to Solving Any Perl Problem )

In reply to Re^3: Sorting Multilevel Hashes by Anonymous Monk
in thread Sorting Multilevel Hashes by newCoder

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