my @common  = grep exists $a{$_}, keys %b;
@a{@common} = @b{@common};

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In reply to Re: How do I make all the values in %a with common keys in %b equal to %b's keys? by CharlesClarkson
in thread How do I make all the values in %a with common keys in %b equal to %b's values? by draco_iii

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