# File lib/mspec/runner/mspec.rb, line 277
277:   def self.read_tags(keys)
278:     tags = []
279:     file = tags_file
280:     if File.exist? file
281:       File.open(file, "rb") do |f|
282:         f.each_line do |line|
283:           line.chomp!
284:           next if line.empty?
285:           tag = SpecTag.new line.chomp
286:           tags << tag if keys.include? tag.tag
287:         end
288:       end
289:     end
290:     tags
291:   end