Sort a list by integer with Elixir

~~Fetch data from URL~~
~~Split each new line into a list item~~
~~Split each line into list items~~
~~Find the six-digit video ID from the URL, it should be the first integer in HTTP paths of:
- c13.adrise.tv/04C0BF/v2/sources/content-owners/
- c13.adrise.tv/04C0BF/ads/transcodes/~~
~~Group by Video ID~~
~~Get Cache Hit and Misses for each Video~~
~~Calculate the Cache Hit Misses~~
Sort by video ID

sort-a-list-by-integer.test.ex


import AccessLogApp.CLI, only: [
  ...
  sort_by_field: 2
]

test "Sort by field name" do
  list = [
    %{:video_id => 9478, "TCP_hit_percentage" => "75%"},
    %{:video_id => 234567, "TCP_hit_percentage" => "100%"},
    %{:video_id => 9999, "TCP_hit_percentage" => "100%"},
    %{:video_id => 004567, "TCP_hit_percentage" => "100%"},
    %{:video_id => 123456, "TCP_hit_percentage" => "0%"},
    %{:video_id => 009899, "TCP_hit_percentage" => "100%"},
  ]
  result = sort_by_field(list, :video_id)
  assert result ==  [
    %{:video_id => 004567, "TCP_hit_percentage" => "100%"},
    %{:video_id => 9478, "TCP_hit_percentage" => "75%"},
    %{:video_id => 009899, "TCP_hit_percentage" => "100%"},
     %{:video_id => 9999, "TCP_hit_percentage" => "100%"},
    %{:video_id => 123456, "TCP_hit_percentage" => "0%"},
    %{:video_id => 234567, "TCP_hit_percentage" => "100%"}
  ]
end

sort-a-list-by-integer.ex


def group_by_id(list) do
  Enum.group_by(list, fn [video_id, _] ->
    [video_id]
  end)
end

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