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jerodsanto/gravatar_url.ex

Created December 30, 2015 16:27
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Elixir's pipeline operator makes FP joyous. Here it is transforming an email address for Gravatar'ing
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gravatar_url.ex
def gravatar_url(email, size) do
hash = email
|> String.strip
|> String.downcase
|> :erlang.md5
|> Base.encode16(case: :lower)
"https://secure.gravatar.com/avatar/#{hash}.jpg?s=#{size}&d=mm"
end
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