uni

uni is a command to make unique text like uniq command.

The difference from uniq is that uni does not require sorting of the input data before running commnad.

uni can output text in the same order as when you input them.

How to use

uni receives text from stdin and unique it.

% cat text
a
c
b
c

% cat text | uni
a
c
b

If you use MacOS with Apple Silicon, you can download a binary from the Github.

Or you can get it by using Homebrew.

brew tap mitsutoshi/uni
brew install mitsutoshi/uni/uni

If you use other OS, please clone this repository to your computer and make a binary for your OS.

awk can do the same thing. 😉

cat text | awk '!a[$0]++{print}'