Test for the new AddRemoveReaScript API function added in REAPER v5.12

AddRemoveReaScript_Test.lua

FILE_COUNT = 1

function generateFiles()
  local files = {}
  
  for index=1, FILE_COUNT do
    files[index] = string.format("%s/Scripts/DUMMY_%02d.lua", reaper.GetResourcePath(), index)
  end
  
  return files
end

function createFiles(files)
  for _,file in ipairs(files) do
    file = io.open(file, 'w')
    file:close()
  end
end

function removeFiles(files)
  for _,file in ipairs(files) do
    os.remove(file)
  end
end

function register(files)
  for index,file in ipairs(files) do
    local ret = reaper.AddRemoveReaScript(true, 0, file, index == FILE_COUNT)
    reaper.ShowConsoleMsg(string.format("registering #%02d -> %d\n", index, ret))
  end
end

function unregister(files)
  for index,file in ipairs(files) do
    local ret = reaper.AddRemoveReaScript(false, 0, file, index == FILE_COUNT)
    reaper.ShowConsoleMsg(string.format("unregistring #%02d -> %d\n", index, ret))
  end
end

files = generateFiles()

if reaper.MB("Yes -> Register, No -> Unregister", "Test", 4) == 6 then
  createFiles(files)
  register(files)
else
  unregister(files)
  removeFiles(files)
end