dylan-chong

defprotocol P do
  def x(p)
end

defimpl P, for: Integer do
  def x(p) do
    p + 1
  end
end

dylan-chong

find * | xargs rename -n 's/part-of-filename-to-replace/replacement/' # -n for dry run

dylan-chong

# Dry run, print out results
find * -type f | xargs perl -0p -e 's/from/to/g'
# Do replace in files
find * -type f | xargs perl -0pi -e 's/from/to/g'

dylan-chong

defmodule AssignPipe do
  # Source: https://groups.google.com/forum/#!topic/elixir-lang-core/SJUgN5enNhc
  defmacro value ~> var do
    {:=, [line: 1], [var, value]}
  end
end

defmodule Test do
  import AssignPipe