Great for nearest neighbor search in k dimensions! (as long as k is reasonable)

Helper for creating directory hierarchies to use with tests

Wrap the methods of a class or module to output call info. See a tree of calls made to wrapped methods with argument values and return values.

Simple treetop lexer that supports writing filters in an SQL-like manner.

Generate and manipulate entire directory trees of either binary or text file content.

Stores data in a B+tree structure

Installer for C5.0 and GritBot, tools for decision-tree learning and data cleansing.

This gem is designed for transformation of Ruby source code (eiher in the form of files or strings) to the Ruby nodes (syntax trees) used by Ruby MRI internals. Obtained nodes can be serialized to the platform-dependent binary or ASCII strings and restored and launched from serialized format. Su...

Left-Leaning Red-Black Tree for Ruby.

HackTree lets you organize and share your console hacks in a simple and efficient way. * Create hacks using a simple and uniform DSL. * Describe your hacks, much like you describe tasks in Rakefiles. * List available hacks with descriptions right in your console. * Share hacks with your teammate...

Generates a profile of a given directory.

Create directory/file structures from ASCII/Unicode tree diagrams

Data structures (lists, stacks, trees, heaps, graphs..) in pure Ruby.

Extracts skills, strains, profession, and requirement trees into JSON

A Compass plugin to provide basic styles for treesaver.js.

It takes in a String and gives you back a stupid data structure of commands, blocks, and Strings. You then do stuff to make that stuff come alive. Whatever... I don't have time to tell you exactly since you will use Treetop anyway: https://github.com/nathansobo/treetop

Dictionary functions for word permutation search.

This gem takes English words, converts them to their IPA equivalent, and then uses a tree data structure to query a database and identify other English words that have a similar phonetic makeup. It uses RubyTree which has the following license: "RubyTree is licensed under the BSD license. C...

A new routing tree router for Ruby

Caplets modernizes your capistrano deployments. At its most basic, it provides a fast, efficient git-based deployment without copying release trees or symlink tomfoolery. In addition, it includes modules for common tasks such as writing config files and crontabs, working with bundler, and us...