The clipboard module supplies functions for reading from and writing to the clipboard.
Import this module with clipboard = require 'aegisub.clipboard'.
Synopsis: text = clipboard.get()
Get the current contents of the clipboard as a string.
Returns nil if the clipboard does not currently contain text or if an error occurs.
Synopsis: clipboard.set(new_text)
Set the clipboard contents to a string. Returns true if the clipboard could be set, and false if an error occurred.