filelist to hash

filelist_to_hash.rb

require "awesome_print"
require 'json'

list = [
"compass-config.rb",
"config.yaml",
"content/00_home/00_index.md",
"content/00_home/01_work.md",
"content/01_additional services/00_index.md",
"content/01_additional services/01_writing labs.md",
"content/01_additional services/02_overview.md",
"content/01_additional services/03_conversation and presentation.md",
"content/01_additional services/04_how can we help you.md",
"content/01_writing services/00_index.md",
"content/01_writing services/01_copy editing.md",
"content/01_writing services/02_3-step process.md",
"content/01_writing services/02_overview.md",
"content/01_writing services/03_overview.md",
"content/01_writing services/03_translations.md",
"content/02_additional services/00_index.md",
]

list_hash = list.each { |f|
  }.map{ |path|
    path.split '/' # split to parts
  }.inject({}){ |acc, path| # start with empty hash
    path.inject(acc) do |acc2, dir| # for each path part, create a child of current node
      acc2[dir] ||= {} # and pass it as new current node
    end
    acc
}
list_json = list_hash.to_json

puts list_json