The lolcat utility is open source, those interested can view the project page on github.Non-commercial use, DMCA Contact Us Relevant png images Want a colorful block of ascii art? Use cowsay or banner: If you want some extra amazement, the -a flag is particularly exciting because it creates an animated rainbow effect of cycling colors, which is basically the peak of human innovation.įor example, this will animate the Apple logo in a rainbow for a count of 500: Or use lolcat to display some code in a lovely rainbow: You’ll then see the most colorful help text ever made.īut why stop there? You can pipe anything into lolcat and make it a rainbow as well: You can get an initial look by printing the lolcat help file: Refresh your terminal or launch a new one and you’re ready to go. With installation of lolcat out of the way, you’re ready to use lolcat and get colorful. Installing should only take a minute or two to complete. You can either adjust the permissions of the gems directory to include your uid, or just use sudo to write to it anyway: You don’t have write permissions for the /Library/Ruby/Gems/2.0.0 directory.” “ERROR: While executing gem … (Gem::FilePermissionError) That should install lolcat just fine, but if you get a write permissions error like this: You’ll need to have ruby installed on the Mac to be able to use gem, the installer, and then installing lolcat is a piece of cake: Installing lolcat in the Mac OS X Terminal Because this is entirely contained within the command line, it’s best reserved for advanced users who are comfortable using Terminal… and who want rainbow output. Note: in case it wasn’t obvious yet, this is kind of a joke, but lolcat legitimately does work as a functioning cat replacement. Is this useful? Well, that’s up to you to decide, but it sure is fun and more lively looking. That’s where the lolcat command line utility comes in, because lolcat is a concatenate utility that can serve as a very colorful cat replacement, or take any standard input and dump the output as a rainbow of text.
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