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:

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

{{ parent.tldr }}

{{ parent.urlSource.name }}