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https://github.com/mitnk/cicada
An old-school bash-like Unix shell written in Rust
https://github.com/mitnk/cicada
cicada linux shell unix
Last synced: 3 months ago
JSON representation
An old-school bash-like Unix shell written in Rust
- Host: GitHub
- URL: https://github.com/mitnk/cicada
- Owner: mitnk
- License: mit
- Created: 2017-03-09T13:59:51.000Z (almost 8 years ago)
- Default Branch: master
- Last Pushed: 2023-09-07T05:50:51.000Z (over 1 year ago)
- Last Synced: 2024-04-30T07:31:24.039Z (9 months ago)
- Topics: cicada, linux, shell, unix
- Language: Rust
- Homepage: https://hugo.wang/cicada/
- Size: 773 KB
- Stars: 969
- Watchers: 16
- Forks: 51
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
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README
# Cicada Unix Shell
[](https://crates.io/crates/cicada)
Cicada is a simple Unix shell written in Rust.
## Documents
- [Install cicada](https://github.com/mitnk/cicada/blob/master/docs/install.md)
- [Environment Variables](https://github.com/mitnk/cicada/tree/master/docs/envs.md)
- [Cicada Builtins](https://github.com/mitnk/cicada/tree/master/docs/builtins.md)
- [Completion](https://github.com/mitnk/cicada/tree/master/docs/completion.md)
- [RC File](https://github.com/mitnk/cicada/tree/master/docs/rc-file.md)
- [History](https://github.com/mitnk/cicada/tree/master/docs/history.md)
- [Job Control](https://github.com/mitnk/cicada/tree/master/docs/jobc.md)
- [Customize Prompt](https://github.com/mitnk/cicada/tree/master/docs/prompt.md)
- [Scripting](https://github.com/mitnk/cicada/tree/master/docs/scripting.md)
## Try out cicada with Docker
```
$ 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 -l `which 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/](https://docs.rs/cicada/).