Cicada Unix Shell

Latest Version

Cicada is a simple Unix shell written in Rust.

Documents

Try out cicada with Docker

$ docker pull mitnk/cicada $ docker run --rm -it mitnk/cicada (in-cicada) $ cinfo

Features

Run programs and pipelines

``` $ ls | head -n3 Desktop Documents Downloads

$ echo foo,bar | awk -F "," '{print $2, $1}' bar foo ```

With redirections

$ ls file-not-exist 2>&1 | wc > e.txt $ cat e.txt 1 7 46

Command substitution

`` $ ls -lwhich sh` -r-xr-xr-x 1 root wheel 618512 Oct 26 2017 /bin/sh

$ echo "Time is $(date)." Time is Sun Sep 2 12:04:13 CST 2018. ```

Run multiple commands (with logical)

``` $ echo foo; echo bar foo bar

$ echo foo && echo bar foo bar

$ echo foo || echo bar foo ```

Math arithmetic directly in the shell!

$ 1 + 2 * 3 - 4 3 $ (1 + 2) * (3 - 4) / 8.0 -0.375 $ 2 ^ 31 2147483648

Cicada is also a library (BETA)

Read APIs here: https://docs.rs/cicada/.

FAQs