use strict; use warnings; use HTML::Template; use strict; use warnings; use Data::Dump::Streamer; my %hash; while () { chomp; my @elements = split /\s*\/\s*/; next if ! @elements; $hash{$elements[0]} = {} if ! exists $hash{$elements[0]}; my $subHash = $hash{shift @elements}; for (@elements) { $subHash->{$_} = {} unless exists $subHash->{$_}; $subHash = $subHash->{$_}; }; } my @tree; push @tree, buildFamily (\%hash, $_) for keys %hash; my $template = <<'HTML'; Test Template Parent:
Child:
Grandchild:
HTML my $t = HTML::Template->new (scalarref => \$template); $t->param (Parents => \@tree); print $t->output (); sub buildFamily { my ($hash, $parent) = @_; my %root = (name => $parent); if (keys %{$hash->{$parent}}) { my @children; push @children, buildFamily ($hash->{$parent}, $_) for keys %{$hash->{$parent}}; $root{children} = \@children; } return \%root; } __DATA__ one foo / bar foo / baz foo / qux / two foo / qux / three foo / qux / four five #### Test Template Parent: five
Parent: one
Parent: foo
Child: bar
Child: baz
Child: qux
Grandchild: three
Grandchild: two
Grandchild: four