calculate_directory_statistics

# File railties/lib/code_statistics.rb, line 29 def calculate_directory_statistics(directory, pattern = /.*\.rb$/) stats = { "lines" => 0, "codelines" => 0, "classes" => 0, "methods" => 0 } Dir.foreach(directory) do |file_name| if File.stat(directory + "/" + file_name).directory? and (/^\./ !~ file_name) newstats = calculate_directory_statistics(directory + "/" + file_name, pattern) stats.each { |k, v| stats[k] += newstats[k] } end next unless file_name =~ pattern f = File.open(directory + "/" + file_name) while line = f.gets stats["lines"] += 1 stats["classes"] += 1 if line =~ /class [A-Z]/ stats["methods"] += 1 if line =~ /def [a-z]/ stats["codelines"] += 1 unless line =~ /^\s*$/ || line =~ /^\s*#/ end end stats end