The London Perl and Raku Workshop takes place on 26th Oct 2024. If your company depends on Perl, please consider sponsoring and/or attending.


Bio::TreeIO::tabtree - A simple output format which displays a tree as an ASCII drawing


  use Bio::TreeIO;
  my $in = Bio::TreeIO->new(-file => 'input', -format => 'newick');
  my $out = Bio::TreeIO->new(-file => '>output', -format => 'tabtree');

  while( my $tree = $in->next_tree ) {


This is a made up format just for outputting trees as an ASCII drawing.


Mailing Lists

User feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to the Bioperl mailing list. Your participation is much appreciated.                  - General discussion  - About the mailing lists


Please direct usage questions or support issues to the mailing list:

rather than to the module maintainer directly. Many experienced and reponsive experts will be able look at the problem and quickly address it. Please include a thorough description of the problem with code and data examples if at all possible.

Reporting Bugs

Report bugs to the Bioperl bug tracking system to help us keep track of the bugs and their resolution. Bug reports can be submitted via the web:

AUTHOR - Jason Stajich



The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _


 Title   : new
 Usage   : my $obj = Bio::TreeIO::tabtree->new();
 Function: Builds a new Bio::TreeIO::tabtree object 
 Returns : Bio::TreeIO::tabtree
 Args    :


 Title   : write_tree
 Usage   : $treeio->write_tree($tree);
 Function: Write a tree out to data stream in newick/phylip format
 Returns : none
 Args    : Bio::Tree::TreeI object


 Title   : next_tree
 Usage   : 
 Function: Sorry not possible with this format
 Returns : none
 Args    : none