zsh history histogram

zsh_histogram.rb

#!/bin/ruby
require 'pry-byebug'

history_array = []

zsh_history_path = '~/.zhistory' 

File.open(zsh_history_path).each do |line|
  history_array << line[15..-2]
end

module Enumerable
  def to_histogram
    inject(Hash.new(0)) { |h, x| h[x] += 1; h}
  end
end

histogram = history_array.to_histogram
histogram_sorted = histogram.sort_by {|_key, value| value}
binding.pry
print