小型文本编辑器

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stop_words = %w{the by on for of are with just but and to the my I has some in}
lines = File.readlines(ARGV[0])
line_count = lines.size
text = lines.join
total_characters = text.length
total_characters_nospaces = text.gsub(/s+/,'').length
word_count = text.split.length
sentence_count = text.split(/.|?|!/).length
paragraph_count = text.split(/nn/).length
all_words = text.scan(/w/)
good_words = all_words.select{|word|!stop_words.include?(word)}
good_percentage = ((good_words.length.to_f / all_words.length.to_f)*100).to_i
sentences = text.gsub(/s+/,'').strip.split(/.|?|!/)
sentences_sorted = sentences.sort_by {|sentence| sentence.length}
one_third = sentences_sorted.length / 3
ideal_sentences = sentences_sorted.slice(one_third,one_third + 1)
ideal_sentences = ideal_sentences.select {|sentence|sentence =~/is/}


puts "#{line_count} lines"
puts "#{total_characters} characters"
puts "#{total_characters_nospaces} characters excluding space"
puts "#{word_count} words"
puts "#{sentence_count} sentences"
puts "#{paragraph_count} paragraphs"
puts "#{sentence_count / paragraph_count} sentences per paragraph average"
puts "#{word_count / sentence_count} words per sentence average"
puts "#{good_percentage}%of words are non-fluff words"
puts "Summary:n n" + ideal_sentences.join(".")
puts "--End of analysis"

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