<int-e> ` mv {bin,lib}/morse-decode; echo \'#!/hackenv/bin/shebang_args_or_input /hackenv/lib/morse-decode\' > bin/morse-decode; chmod +x bin/morse-decode

Ambiguous, from Greek 'ἀν-' lack of, and 'βιγός' clarity of meaning, means when something is unclear in its meaning. Antonym: biguous.