Disco lights in the terminal

while true; do printf "\e[38;5;$(($(od -d -N 2 -A n /dev/urandom)%$(tput colors)))m.\e[0m"; done
Looks best in an 80x24 256-color terminal emulator.

By: atoponce
2015-11-24 15:21:27

1 Alternatives + Submit Alt

What Others Think

The same with Braille characters: l=$(for i in {10240..10495}; do echo -en \\U$(echo "obase=16;$i"|bc)" "; done); while true; do L=$(echo $l | cut -d" " -f$((RANDOM%255+1))); printf "\e[38;5;$(($(od -d -N 2 -A n /dev/urandom)%$(tput colors)))m$L\e[0m"; done
xxjcaxx · 308 weeks and 6 days ago
haha thats cool thanks for sharing
rackerjack · 302 weeks and 1 day ago
took me time to read the forum but its actually great. People should know about this more. https://bookkeepinganchorage.com
Killersmile · 29 weeks and 6 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

You must be signed in to comment.

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for: