name_length.rb

name = "A B C D"

puts
puts "Different name modifications"
puts "original #{name}"
puts "sub      #{name.sub(' ', '')}"
puts "gsub     #{name.gsub(' ', '')}"
puts "delete   #{name.delete(' ')}"

puts
puts "Different length calculations"
puts "original    #{name.length}"
puts "minus one   #{name.length - 1}"
puts "sub         #{name.sub(' ', '').length}"
puts "gsub        #{name.gsub(' ', '').length}"
puts "delete      #{name.delete(' ').length}"
puts "minus count #{name.length - name.count(' ')}"