command line utilities to manage catalogs of directory damn simple catalog based on tagging file name. The tag are between bracket. For example the filename 'photo [sea][2010][summer]', associate with the name photo the tag sea,2010,summer.

Gem renamed to tree.rb (https://rubygems.org/gems/tree.rb). Please update your dependencies. Implementation of visitor design pattern. It contains a 'tree.rb' command line clone of the tree unix tool.