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Created Feb 29, 2016
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フォルダ内の .html ファイルの文字一覧を出力するスクリプト
# coding: utf-8
require 'find'
target_dir = ARGV[0]
all_string = []
Find.find(target_dir) do |file|
if File.extname(file) == ".html"
content =
file_string_array = content.split('')
all_string = all_string + file_string_array
puts all_string.uniq.sort.join('')
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