AnApprentice AnApprentice - 1 year ago 91
Ruby Question

How to count lines of code?

I tried

rake stats
but that seems highly inaccurate. Perhaps it ignores several directories?

Answer Source

You can try out these two options:

  1. Hack rake stats

Rakestats snippet from blogpost:

namespace :spec do
  desc "Add files that DHH doesn't consider to be 'code' to stats"
  task :statsetup do
  require 'code_statistics'

  class CodeStatistics
    alias calculate_statistics_orig calculate_statistics
    def calculate_statistics
      @pairs.inject({}) do |stats, pair|
        if 3 == pair.size
          stats[pair.first] = calculate_directory_statistics(pair[1], pair[2]); stats
          stats[pair.first] = calculate_directory_statistics(pair.last); stats
  ::STATS_DIRECTORIES << ['Views',  'app/views', /\.(rhtml|erb|rb)$/]
  ::STATS_DIRECTORIES << ['Test Fixtures',  'test/fixtures', /\.yml$/]
  ::STATS_DIRECTORIES << ['Email Fixtures',  'test/fixtures', /\.txt$/]
  # note, I renamed all my rails-generated email fixtures to add .txt
  ::STATS_DIRECTORIES << ['Static HTML', 'public', /\.html$/]
  ::STATS_DIRECTORIES << ['Static CSS',  'public', /\.css$/]
  # ::STATS_DIRECTORIES << ['Static JS',  'public', /\.js$/]
  # prototype is ~5384 LOC all by itself - very hard to filter out

  ::CodeStatistics::TEST_TYPES << "Test Fixtures"
  ::CodeStatistics::TEST_TYPES << "Email Fixtures"
task :stats => "spec:statsetup"
  1. metric_fu - A Ruby Gem for Easy Metric Report Generation

PS: I haven't tried any of the above, but metric_fu sounds interesting, see the screenshots of the output.

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