Ignore empty extra lines in train.txt

AlexeyAB

2018-05-29 ec766fc3f114dd4faaa3add500776a7bae957ba5

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#!/bin/bash
# Usage:
# wget http://pjreddie.com/media/files/peek.weights
# scripts/gen_tactic.sh < data/goal.txt
./darknet rnn generatetactic cfg/gru.cfg peek.weights 2>/dev/null