Linux Candy

Linux Candy: lolcat – rainbows and unicorns

Last Updated on May 25, 2022

Summary

You’ve probably thinking lolcat is just triviality. Possibly. But with a bit of imagination and flair, you can have some fun with plain text using lolcat. Inject some awesomeness to your terminal today!

There’s plenty to tinker way by way of command-line arguments.

Type lolcat -h at the shell for the list.

lolcat help

As you can see, you can change the rainbow spread, the frequency of the rainbow effect, and change the seed (i.e. the initial value for the random number generator). The rainbow spread refers to the inclination of the rainbow stripes.

We illustrated the animate flag in the video on the previous page. But you can also change the animation duration and/or speed. It’s also possible to invert the foreground and background, and enable 24-bit color support. What more could you want?

Summary

Website: github.com/busyloop/lolcat
Support:
Developer: moe and contributors
License: 3-clause BSD license

lolcat is written in Ruby. Learn Ruby with our recommended free books and free tutorials.

Pages in this article:
Page 1 – Introduction / Installation
Page 2 – In Operation
Page 3 – Summary

Complete list of articles in this series:

Linux Candy
ASCIIQuariumEmbrace marine life from the terminal with beautiful ASCII art
ASCII Art ConverterA small utility that converts images into ASCII art
BobRossQuotesCollection of quotes from Bob Ross
BoxesCommand line ASCII boxes
BuohOnline strips comics reader
cacafireColor ASCII fire
catclockxclock with an enhanced cat mode
cbonsaiGenerate bonsai trees in the terminal
christmasfetchFestive cheer on the desktop
chucknorrisChuck Norris jokes in your terminal
cornyjokesCorny jokes for the terminal
CMatrixncurses program that simulates the display from “The Matrix”
ctreeA Christmas tree right on your terminal
eDEX-UISci-fi computer terminal emulator and system monitor
emojSimple tool that to find suitable emojis for pasting to your clipboard
EmoteModern popup emoji picker
EvolvotronInteractive generative art
FondoFind beautiful wallpapers from Unsplash
gtiTypo-based curio inspired by Steam Locomotive
HollywoodFill your console with Hollywood melodrama technobabble
linuxwaveGenerate music from the entropy of Linux
lolcatRainbows and unicorns
No More SecretsRecreates the data decryption effect from the Sneakers movie
nyancatTerminal-based Pop Tart Cat Animation
onekoAnimal chasing fun
pipes.shAnimated pipes terminal screensaver
ponysaycowsay reimplemention for ponies
projectMMusic visualizer originally based on Milkdrop
pscircleA different take on the venerable ps command
pyjokesOne line jokes for programmers
PywalGenerate color schemes on the fly
RelaxatorRelax to soothing sounds
Rusty AquariumMonitoring by visualization
Steam LocomotiveC program written in 295 lines. It's harmless fun
TernimalAnimated lifeform in the terminal
terminal-parrotParty parrot time
tetrisTile-matching puzzle video game in your terminal
VarietyWallpaper manager with many desktops and wallpaper sources
WallGenGenerate HQ poly wallpapers with a few arguments.
WallpaperDownloaderDownload, change, and manage wallpapers
xcowsayDisplays a cow on your desktop with message
XDecorationsAdd some festive cheer to your desktop
XScreenSaverFramework and collection of screensavers
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