Cicada Unix Shell

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Cicada is a simple Unix shell written in Rust. It's ready for daily use.

Documents

Try out cicada with Docker

$ docker pull mitnk/cicada $ docker run --rm -it mitnk/cicada

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 ```

shell expansions

``` $ echo sp{el,il,al}l spell spill spall

$ echo $SHELL /usr/local/bin/cicada

$ echo * Cargo.lock Cargo.toml LICENSE Makefile README.md src target ```

do math arithmetic directly in the shell!

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

Cicada is also a library (BETA)

Read APIs here: docs/as-lib.md.

Install Cicada

Please refer to docs/install.md.

FAQs