Reproducible.jl

using Random

const seed = hash(time())

Random.seed!(seed)

searchstring = "const seed = "
open("$(@__FILE__)" * ".reproducible", "w") do io
  for line in readlines(open(@__FILE__))
    if length(line) > length(searchstring) && line[1:length(searchstring)] == searchstring
      write(io, searchstring * "$seed\n")
    else
      write(io, line * "\n")
    end
  end
end

@show seed
@show rand()

And ReproduceExample.jl.rerunnable is identical to ReproduceExample.jl.rerunnable.rerunnable