PB Ladderize

--ladderize, -ld

Description

Will reorder the branches of the tree based on the number of child nodes for every given subtree.

Arguments

Sorting ( {ascending | descending } )

Optional. Choose the way to sort the subtrees

• ascending = subtrees with a smaller number of child nodes will be ordered first
• descending = subtrees with a larger number of child nodes will be ordered first

Examples

input file: test.tree

((A,(B,(C,(D,E)))),(F,(G,H)));

usage example 1

$: pb test.tree -ld

output

((F,(G,H)),(A,(B,(C,(D,E)))));

usage example 2

$: pb test.tree -ld descending

output

(((((D,E),C),B),A),((G,H),F));