grepモドキ

Rakefile

# rake grep[key,pattern]

target = FileList.new { |f|
  f.exclude "**/*.swp"
}

desc "fake grep"
task :grep, [:key, :pattern] do |t,args|
  args.with_defaults :pattern => "**/*"

  if args[:key].nil?
    raise "no keyword."
  end

  puts "Context --> %s" % args

  target.include args.pattern

  target.egrep(Regexp.new(args.key))
end