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Perl: How to sort hash by key

Perl: How to sort hash by key
{filelink=14711}

#!/usr/local/bin/perl
my% myHash = ("Germany" => "Berlin"
     "England" => "London"
     "France" => 'Paris');
foreach $entry (sort keys %myHash)
{
    print "$entry ==> $myHash{$entry}.
";
}

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