file filter: $ ff -@bin -_test.rb controller ...

ff.rb

#!/usr/bin/env ruby
require 'open3'

EXCLUDE_EXTENTSONS = %w(psd gif jpg png DS_Store tmp JPG PNG swp swf o bundle dylib so)
EXCLUDE_FROM_CURRENT = %w(estraier tmp log coverage build)

subdirs = Dir.glob("*")
subdirs -= EXCLUDE_FROM_CURRENT

def process_args(argv, _subdirs, _patterns)
  subdirs, patterns = argv.partition{|v| /^([-+])?@/ === v}

  _patterns += patterns

  subdirs.each do |dir|
    case dir
    when /^@(.*)/
      _subdirs = [$1]
    when /^-@(.*)/
      _subdirs -= [$1]
    when /^\+@(.*)/
      _subdirs += [$1]
    end
  end
  [_subdirs, _patterns]
end

patterns = []
subdirs, patterns = process_args(open('.ffrc').read.split, subdirs, patterns) if File.exist? '.ffrc'
subdirs, patterns = process_args(ARGV, subdirs, patterns)

ext      = EXCLUDE_EXTENTSONS.map{|ext| "! -name '*.#{ext}' "}.join
patterns = patterns.map{|v| "#{/^-/ === v ? '!' : ''} -path '*#{v.sub(/^-/, '')}*' "}.join

cmd = "find #{subdirs.map{|v| v.gsub(/ /, '\ ')}.join(' ')} -type f #{ext} ! -path '*/.git/*' ! -path '*/.svn/*' #{patterns}"

found = false

_, stdout, _ = *Open3.popen3(cmd)
stdout.each do |line|
  found = true
  puts line
end

unless found
  $stderr.puts "Not found"
  exit 1
end