Much better :) 

{
    local $_ = keys( %h ) -1; 
    @h{ 0 .. $_ } = delete @h{ sort { $a<=>$b } keys %h };
}

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Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
"Memory, processor, disk in that order on the hardware side. Algorithm, algorithm, algorithm on the code side." - tachyon

In reply to Re^2: re-key a hash by BrowserUk
in thread re-key a hash by Anonymous Monk

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