Simple text analyzer

analyzer.rb

# analyzer.rb -- Text Analyzer

lines = File.readlines(ARGV.first)
line_count = lines.size
text = lines.join

# Count the characters
total_characters = text.length
total_characters_nospaces = text.gsub(/\s+/, '').length

# Count the words, sentences, and paragraphs
word_count = text.split.length
sentence_count = text.split(/\.|\?|!/).length
paragraph_count = text.split(/\n\n/).length

# Give the analysis back to the user
puts "#{line_count} lines"
puts "#{total_characters} characters"
puts "#{total_characters_nospaces} characters excluding spaces"
puts "#{word_count} words"
puts "#{paragraph_count} paragraphs"
puts "#{sentence_count} sentences"
puts "#{sentence_count / paragraph_count} sentences per paragraph (average)"
puts "#{word_count / sentence_count} words per sentence (average)"