-- Creates a file if none already exists.

function readFile filePath
  open file filePath
  read from file filePath until end
  close file filePath
  return it
end readFile

-- Does not create a file if none already exists.

function readFile filePath
  if there is not a file filePath then return empty
  open file filePath
  read from file filePath until end
  close file filePath
  return it
end readFile

-- Does not create a file if none already exists.
-- Secure version, except for files > 30K limit.

function readFile filePath
  if there is not a file filePath then return "No such file"
  open file filePath
  if the result is not empty then return "Error while opening file"
  read from file filePath until end
  if the result is not empty then return "Error while reading file"
  close file filePath
  if the result is not empty then return "Error while closing file"
  return it
end readFile