Seven Languages in Seven Weeks - Ruby - Day 2 - Grep

grep.rb

puts
print "File name: "
filename = gets.chomp

puts
print "Search term: "
phrase = gets.chomp

File.open(filename, "r") do |file|
    file.readlines.each_with_index do |line,index|
        if /#{phrase}/.match(line)
            puts
            puts "Line #{index+1} matches." 
            puts line.gsub(/(#{phrase})/, '**\1**')
        end
    end
end