                                        "\nL|'face-yaw': Sort faces by Yaw (rotation left to right)."
                                        "\nL|'hist': Sort faces by their color histogram. You can "
                                        "adjust the threshold with the '-t' (--ref_threshold) "
                                        "option."
                                        "\nL|'hist-dissim': Like 'hist' but sorts by "
                                        "dissimilarity."
                                        "\nDefault: hist"})
          argument_list.append({"opts": ('-k', '--keep'),
                                "action": 'store_true',
                                "dest": 'keep_original',
                                "default": False,
 
</s> remove                                           "face-yaw", "hist", "hist-dissim"),
 </s> add                                           "face-yaw", "hist", "hist-dissim", "color-gray",
                                          "color-luma", "color-green", "color-orange"),
                                      "\nL|'hist-dissim': Like 'hist' but sorts by dissimilarity."
                                      "\nL|'color-gray': Sort images by the average intensity of "
                                      "the converted grayscale color channel."
                                      "\nL|'color-luma': Sort images by the average intensity of "
                                      "the converted Y color channel. Bright lighting and "
                                      "oversaturated images will be ranked first."
                                      "\nL|'color-green': Sort images by the average intensity of "
                                      "the converted Cg color channel. Green images will be "
                                      "ranked first and red images will be last."
                                      "\nL|'color-orange': Sort images by the average intensity "
                                      "of the converted Co color channel. Orange images will be "
                                      "ranked first and blue images will be last."
                                        "\nL|'face-yaw': Sort faces by Yaw (rotation left to right)."
                                        "\nL|'hist': Sort faces by their color histogram. You can "
                                        "adjust the threshold with the '-t' (--ref_threshold) "
                                        "option."
                                      "\nL|'hist-dissim': Like 'hist' but sorts by dissimilarity."
                                      "\nL|'color-gray': Sort images by the average intensity of "
                                      "the converted grayscale color channel."
                                      "\nL|'color-luma': Sort images by the average intensity of "
                                      "the converted Y color channel. Bright lighting and "
                                      "oversaturated images will be ranked first."
                                      "\nL|'color-green': Sort images by the average intensity of "
                                      "the converted Cg color channel. Green images will be "
                                      "ranked first and red images will be last."
                                      "\nL|'color-orange': Sort images by the average intensity "
                                      "of the converted Co color channel. Orange images will be "
                                      "ranked first and blue images will be last."
                                      "\nL|'hist-dissim': Like 'hist' but sorts by dissimilarity."
                                      "\nL|'color-gray': Sort images by the average intensity of "
                                      "the converted grayscale color channel."
                                      "\nL|'color-luma': Sort images by the average intensity of "
                                      "the converted Y color channel. Bright lighting and "
                                      "oversaturated images will be ranked first."
                                      "\nL|'color-green': Sort images by the average intensity of "
                                      "the converted Cg color channel. Green images will be "
                                      "ranked first and red images will be last."
                                      "\nL|'color-orange': Sort images by the average intensity "
                                      "of the converted Co color channel. Orange images will be "
                                      "ranked first and blue images will be last."
                                        "\nDefault: hist"})
          argument_list.append({"opts": ('-k', '--keep'),
                                "action": 'store_true',
                                "dest": 'keep_original',
                                "default": False,
keep keep keep keep replace replace keep keep keep keep keep
 Color channel sorting (#905)

* Add Sort by Color Feature

Sort by
 - Grayscale
 - Luma
 - Green to Red
 - Orange to Blue 
tools/cli.py