This Perl script is used to prepare the directory structure of the prefix tree.

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use strict;
use warnings;

use Tree::Prefix;

# =============== parameters ===============

our $limit=10;		# number of suggestions to show

# ======================= initialize =======================

my @species=qw/drome caeel human/;

my $tree=new Tree::Prefix;
my $pwd=$tree->pwd;

# ======================= read from file =======================

for my $species (@species) {

	print STDERR "loading species: $species\n";