my $src = [ ... ];
my %dst;

for (@$src) {
   my $id = delete( $_->{people_id} );
   push @{ $dst{$id} }, $_;
}

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In reply to Re: remapping an arrayref of hashrefs to a hashref of array refs by ikegami
in thread remapping an arrayref of hashrefs to a hashref of array refs by metaperl

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