Over a million developers have joined DZone.

Build A Hash Tree From Array Of File Names In Ruby

·

["a", "a/b", "a/b/c", "b/c", "b/d"].inject({}) {|h,i| t = h; i.split("/").each {|n| t[n] ||= {}; t = t[n]}; h}
=> {"a"=>{"b"=>{"c"=>{}}}, "b"=>{"c"=>{}, "d"=>{}}} 
Topics:

Opinions expressed by DZone contributors are their own.

The best of DZone straight to your inbox.

SEE AN EXAMPLE
Please provide a valid email address.

Thanks for subscribing!

Awesome! Check your inbox to verify your email so you can start receiving the latest in tech news and resources.
Subscribe

{{ parent.title || parent.header.title}}

{{ parent.tldr }}

{{ parent.urlSource.name }}