Using customized function to sort keys in a hash : sort « Hash « Perl

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Perl » Hash » sort

Using customized function to sort keys in a hash

    







$hash{fruit} = apple;

$hash{sandwich} = hamburger;

$hash{drink} = bubbly;



foreach $key (sort {myfunction($a, $b)} keys %hash) {

    print "$key => $hash{$key}\n";

}



sub myfunction

{

   return (shift(@_) cmp shift(@_));

}

Related examples in the same category

1.	Hash Value Sorting
2.	Numerically Sort a Hash by Values in Ascending Order
3.	Numerically Sort a Hash by Values in Descending Order
4.	Sort Hash by Keys Numerically
5.	Sort Hash by Keys in Reverse Order
6.	Sort keys in a hash
7.	Sort values in a hash
8.	Sorting a Hash
9.	Ordered hash

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