Literate.script: do not end with double newline (#221)

src/Literate.jl

@@ -501,17 +501,18 @@ function script(inputfile, outputdir=pwd(); config::AbstractDict=Dict(), kwargs.
 
  # create the script file
  ioscript = IOBuffer()
+ isfirst = true
  for chunk in chunks
  if isa(chunk, CodeChunk)
+ isfirst ? (isfirst = false) : write(ioscript, '\n') # add a newline between each chunk
  for line in chunk.lines
  write(ioscript, line, '\n')
  end
- write(ioscript, '\n') # add a newline between each chunk
  elseif isa(chunk, MDChunk) && config["keep_comments"]::Bool
+ isfirst ? (isfirst = false) : write(ioscript, '\n') # add a newline between each chunk
  for line in chunk.lines
  write(ioscript, rstrip(line.first * "# " * line.second) * '\n')
  end
- write(ioscript, '\n') # add a newline between each chunk
  end
  end
 

test/runtests.jl

@@ -345,7 +345,6 @@ const GITLAB_ENV = Dict(
  hidden2 * hidden2
 
  # This file was generated using Literate.jl, https://github.com/fredrikekre/Literate.jl
-
  """
  script = read(joinpath(outdir, "inputfile.jl"), String)
  @test script == expected_script