TensorFlow: snippet: CSV ファイル

filename_queue = tf.train.string_input_producer(["file0.csv", "file1.csv"])

reader = tf.TextLineReader()
key, value = reader.read(filename_queue)

record_defaults = [[1], [1], [1], [1], [1]]
col1, col2, col3, col4, col5 = tf.decode_csv(
    value, record_defaults=record_defaults)
features = tf.pack([col1, col2, col3, col4])

with tf.Session() as sess:
  coord = tf.train.Coordinator()
  threads = tf.train.start_queue_runners(coord=coord)

  for i in range(1200):
    example, label = sess.run([features, col5])

  coord.request_stop()
  coord.join(threads)

【参考】
TensorFlow : How To : データを読む