rb.clipboard reads the text on the clipboard and puts new text on it. A script
reaches for it to work on text the user copied, or to paste long or multi-line
text: setting the clipboard and sending the paste chord is more reliable than
typing.
Needs: the clipboard:read
permission for get and
clipboard:write for set in a script that declares permissions.
This script trims the whitespace around the copied text and puts the result
back on the clipboard:
A denied call raises
Clipboard.Get() requires 'clipboard:read' permission (or Set and write).