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This recursively flattens multilevel hashes so you can get to them with a TT-ish syntax from HTML::Template. It should be straight-forward to modify if you also want arrayrefs to be recursively flattened too.
sub flatten { my $hr = shift; my %result; while (my ($k, $v) = each %$hr) { if (ref $v eq 'HASH') { my $r = flatten($v); $result{"$k.$_"} = $r->{$_} for keys %$r; } else { $result{$k} = $v; } } \%result; } print Dumper flatten { foo => { in_foo => 1, bar => 1, baz => { in_baz => 1 } }, blah => 1 }; __END__ $VAR1 = { '' => 1, 'blah' => 1, 'foo.baz.in_baz' => 1, 'foo.in_foo' => 1 };


In reply to Re: HTML::Template and hashes of hashes by blokhead
in thread HTML::Template and hashes of hashes by jdtoronto

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