There are tons of proprietary escape codes, not least of all the incredibly useful one for "fireworks"! [1]
^[]1337;RequestAttention=fireworks^G
perl -e 'print "\e]1337;RequestAttention=fireworks\007\n"'
echo -e "\x1B]1337;RequestAttention=fireworks\007"
There are tons of proprietary escape codes, not least of all the incredibly useful one for "fireworks"! [1]
[1]: https://iterm2.com/documentation-escape-codes.html