Reverse a hash: use key as the value, and value as the key : reverse « Hash « Perl






  1. Perl
  2. Hash
  3. reverse

Reverse a hash: use key as the value, and value as the key

   


$hash{fruit} = apple;
$hash{sandwich} = hamburger;
$hash{drink} = bubbly;

%reversed = reverse %hash;

foreach $key (sort keys %reversed) {
    print "$key => $reversed{$key}\n";
}








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