# uutils coreutils

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-----------------------------------------------

<!-- markdownlint-disable commands-show-output no-duplicate-heading -->
<!-- spell-checker:ignore markdownlint ; (jargon) multicall ; (misc) aarch riscv uutil uutils ; (names/acronyms) BusyBox BusyBox's BusyTest MSVC NixOS PowerPC WASI WASM ; (options) DESTDIR RUNTEST UTILNAME -->

uutils is an attempt at writing universal (as in cross-platform) CLI
utilities in [Rust](http://www.rust-lang.org). This repository is intended to
aggregate GNU coreutils rewrites.

## Why?

Many GNU, Linux and other utilities are useful, and obviously
[some](http://gnuwin32.sourceforge.net) [effort](http://unxutils.sourceforge.net)
has been spent in the past to port them to Windows. However, those projects
are written in platform-specific C, a language considered unsafe compared to Rust, and
have other issues.

Rust provides a good, platform-agnostic way of writing systems utilities that are easy
to compile anywhere, and this is as good a way as any to try and learn it.

## Requirements

* Rust (`cargo`, `rustc`)
* GNU Make (required to build documentation)
* [Sphinx](http://www.sphinx-doc.org/) (for documentation)
* gzip (for installing documentation)

### Rust Version

uutils follows Rust's release channels and is tested against stable, beta and nightly.
The current oldest supported version of the Rust compiler is `1.40.0`.

On both Windows and Redox, only the nightly version is tested currently.

## Build Instructions

There are currently two methods to build the uutils binaries: either Cargo
or GNU Make.

> Building the full package, including all documentation, requires both Cargo
> and Gnu Make on a Unix platform.

For either method, we first need to fetch the repository:

```bash
$ git clone https://github.com/uutils/coreutils
$ cd coreutils
```

### Cargo

Building uutils using Cargo is easy because the process is the same as for
every other Rust program:

```bash
$ cargo build --release
```

This command builds the most portable common core set of uutils into a multicall
(BusyBox-type) binary, named 'coreutils', on most Rust-supported platforms.

Additional platform-specific uutils are often available. Building these
expanded sets of uutils for a platform (on that platform) is as simple as
specifying it as a feature:

```bash
$ cargo build --release --features macos
# or ...
$ cargo build --release --features windows
# or ...
$ cargo build --release --features unix
```

If you don't want to build every utility available on your platform into the
final binary, you can also specify which ones you want to build manually.
For example:

```bash
$ cargo build --features "base32 cat echo rm" --no-default-features
```

If you don't want to build the multicall binary and would prefer to build
the utilities as individual binaries, that is also possible. Each utility
is contained in its own package within the main repository, named
"uu_UTILNAME". To build individual utilities, use cargo to build just the
specific packages (using the `--package` [aka `-p`] option). For example:

```bash
$ cargo build -p uu_base32 -p uu_cat -p uu_echo -p uu_rm
```

### GNU Make

Building using `make` is a simple process as well.

To simply build all available utilities:

```bash
$ make
```

To build all but a few of the available utilities:

```bash
$ make SKIP_UTILS='UTILITY_1 UTILITY_2'
```

To build only a few of the available utilities:

```bash
$ make UTILS='UTILITY_1 UTILITY_2'
```

## Installation Instructions

### Cargo

Likewise, installing can simply be done using:

```bash
$ cargo install --path .
```

This command will install uutils into Cargo's *bin* folder (*e.g.* `$HOME/.cargo/bin`).

### GNU Make

To install all available utilities:

```bash
$ make install
```

To install using `sudo` switch `-E` must be used:

```bash
$ sudo -E make install
```

To install all but a few of the available utilities:

```bash
$ make SKIP_UTILS='UTILITY_1 UTILITY_2' install
```

To install only a few of the available utilities:

```bash
$ make UTILS='UTILITY_1 UTILITY_2' install
```

To install every program with a prefix (e.g. uu-echo uu-cat):

```bash
$ make PROG_PREFIX=PREFIX_GOES_HERE install
```

To install the multicall binary:

```bash
$ make MULTICALL=y install
```

Set install parent directory (default value is /usr/local):

```bash
# DESTDIR is also supported
$ make PREFIX=/my/path install
```

### NixOS

The [standard package set](https://nixos.org/nixpkgs/manual/) of [NixOS](https://nixos.org/)
provides this package out of the box since 18.03:

```shell
$ nix-env -iA nixos.uutils-coreutils
```

## Un-installation Instructions

Un-installation differs depending on how you have installed uutils.  If you used
Cargo to install, use Cargo to uninstall.  If you used GNU Make to install, use
Make to uninstall.

### Cargo

To uninstall uutils:

```bash
$ cargo uninstall uutils
```

### GNU Make

To uninstall all utilities:

```bash
$ make uninstall
```

To uninstall every program with a set prefix:

```bash
$ make PROG_PREFIX=PREFIX_GOES_HERE uninstall
```

To uninstall the multicall binary:

```bash
$ make MULTICALL=y uninstall
```

To uninstall from a custom parent directory:

```bash
# DESTDIR is also supported
$ make PREFIX=/my/path uninstall
```

## Test Instructions

Testing can be done using either Cargo or `make`.

### Cargo

Just like with building, we follow the standard procedure for testing using
Cargo:

```bash
$ cargo test
```

By default, `cargo test` only runs the common programs. To run also platform
specific tests, run:

```bash
$ cargo test --features unix
```

If you would prefer to test a select few utilities:

```bash
$ cargo test --features "chmod mv tail" --no-default-features
```

If you also want to test the core utilities:

```bash
$ cargo test  -p uucore -p coreutils
```

To debug:

```bash
$ gdb --args target/debug/coreutils ls
(gdb) b ls.rs:79
(gdb) run
```

### GNU Make

To simply test all available utilities:

```bash
$ make test
```

To test all but a few of the available utilities:

```bash
$ make SKIP_UTILS='UTILITY_1 UTILITY_2' test
```

To test only a few of the available utilities:

```bash
$ make UTILS='UTILITY_1 UTILITY_2' test
```

To include tests for unimplemented behavior:

```bash
$ make UTILS='UTILITY_1 UTILITY_2' SPEC=y test
```

## Run Busybox Tests

This testing functionality is only available on *nix operating systems and
requires `make`.

To run busybox's tests for all utilities for which busybox has tests

```bash
$ make busytest
```

To run busybox's tests for a few of the available utilities

```bash
$ make UTILS='UTILITY_1 UTILITY_2' busytest
```

To pass an argument like "-v" to the busybox test runtime

```bash
$ make UTILS='UTILITY_1 UTILITY_2' RUNTEST_ARGS='-v' busytest
```

## Comparing with GNU

![Evolution over time](https://github.com/uutils/coreutils-tracking/blob/main/gnu-results.png?raw=true)

To run locally:
```bash
$ bash util/build-gnu.sh
$ bash util/run-gnu-test.sh
```

## Contribute

To contribute to uutils, please see [CONTRIBUTING](CONTRIBUTING.md).

## Utilities

| Done      | Semi-Done | To Do  |
|-----------|-----------|--------|
| arch      | cp        | chcon  |
| base32    | expr      | dd     |
| base64    | install   | numfmt |
| basename  | ls        | pr     |
| cat       | more      | runcon |
| chgrp     | od (`--strings` and 128-bit data types missing) | stty |
| chmod     | printf    |        |
| chown     | sort      |        |
| chroot    | split     |        |
| cksum     | tail      |        |
| comm      | test      |        |
| csplit    | date      |        |
| cut       | join      |        |
| dircolors | df        |        |
| dirname   | tac       |        |
| du        |           |        |
| echo      |           |        |
| env       |           |        |
| expand    |           |        |
| factor    |           |        |
| false     |           |        |
| fmt       |           |        |
| fold      |           |        |
| groups    |           |        |
| hashsum   |           |        |
| head      |           |        |
| hostid    |           |        |
| hostname  |           |        |
| id        |           |        |
| kill      |           |        |
| link      |           |        |
| ln        |           |        |
| logname   |           |        |
| ~~md5sum~~ (replaced by [hashsum](https://github.com/uutils/coreutils/blob/master/src/uu/hashsum/src/hashsum.rs)) | |
| ~~sha1sum~~ (replaced by [hashsum](https://github.com/uutils/coreutils/blob/master/src/uu/hashsum/src/hashsum.rs)) | |
| ~~sha224sum~~ (replaced by [hashsum](https://github.com/uutils/coreutils/blob/master/src/uu/hashsum/src/hashsum.rs)) | |
| ~~sha256sum~~ (replaced by [hashsum](https://github.com/uutils/coreutils/blob/master/src/uu/hashsum/src/hashsum.rs)) | |
| ~~sha384sum~~ (replaced by [hashsum](https://github.com/uutils/coreutils/blob/master/src/uu/hashsum/src/hashsum.rs)) | |
| ~~sha512sum~~ (replaced by [hashsum](https://github.com/uutils/coreutils/blob/master/src/uu/hashsum/src/hashsum.rs)) | |
| mkdir     |           |        |
| mkfifo    |           |        |
| mknod     |           |        |
| mktemp    |           |        |
| mv        |           |        |
| nice      |           |        |
| nl        |           |        |
| nohup     |           |        |
| nproc     |           |        |
| paste     |           |        |
| pathchk   |           |        |
| pinky     |           |        |
| printenv  |           |        |
| ptx       |           |        |
| pwd       |           |        |
| readlink  |           |        |
| realpath  |           |        |
| relpath   |           |        |
| rm        |           |        |
| rmdir     |           |        |
| seq       |           |        |
| shred     |           |        |
| shuf      |           |        |
| sleep     |           |        |
| stat      |           |        |
| stdbuf    |           |        |
| sum       |           |        |
| sync      |           |        |
| tee       |           |        |
| timeout   |           |        |
| touch     |           |        |
| tr        |           |        |
| true      |           |        |
| truncate  |           |        |
| tsort     |           |        |
| tty       |           |        |
| uname     |           |        |
| unexpand  |           |        |
| uniq      |           |        |
| unlink    |           |        |
| uptime    |           |        |
| users     |           |        |
| wc        |           |        |
| who       |           |        |
| whoami    |           |        |
| yes       |           |        |

## Targets that compile

This is an auto-generated table showing which binaries compile for each target-triple. Note that this **does not** indicate that they are fully implemented, or that the tests pass.

|######OS######|###ARCH####|arch|base32|base64|basename|cat|chgrp|chmod|chown|chroot|cksum|comm|cp|csplit|cut|date|df|dircolors|dirname|du|echo|env|expand|expr|factor|false|fmt|fold|groups|hashsum|head|hostid|hostname|id|install|join|kill|link|ln|logname|ls|mkdir|mkfifo|mknod|mktemp|more|mv|nice|nl|nohup|nproc|numfmt|od|paste|pathchk|pinky|printenv|printf|ptx|pwd|readlink|realpath|relpath|rm|rmdir|seq|shred|shuf|sleep|sort|split|stat|stdbuf|sum|sync|tac|tail|tee|test|timeout|touch|tr|true|truncate|tsort|tty|uname|unexpand|uniq|unlink|uptime|users|wc|who|whoami|yes|
|--------------|-----------|----|------|------|--------|---|-----|-----|-----|------|-----|----|--|------|---|----|--|---------|-------|--|----|---|------|----|------|-----|---|----|------|-------|----|------|--------|--|-------|----|----|----|--|-------|--|-----|------|-----|------|----|--|----|--|-----|-----|------|--|-----|-------|-----|--------|------|---|---|--------|--------|-------|--|-----|---|-----|----|-----|----|-----|----|------|---|----|---|----|---|----|-------|-----|--|----|--------|-----|---|-----|--------|----|------|------|-----|--|---|------|---|
|linux-gnu|aarch64|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|
|linux-gnu|i686|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|
|linux-gnu|powerpc64|y|y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|
|linux-gnu|riscv64gc| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|linux-gnu|x86_64|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|
|windows-msvc|aarch64|y|y|y|y|y| | | | |y|y|y|y|y|y|y|y|y| |y|y|y| |y|y|y|y| |y|y|y|y| | |y| |y|y|y| |y| | |y|y|y| |y| |y|y|y|y| | |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| | |y|y|y|y|y|y| |y|y|y|y|y| |y|y|y| |y| |y| | |y|
|windows-gnu|i686|y|y|y|y|y| | | | |y|y|y|y|y|y|y|y|y| |y|y|y| |y|y|y|y| |y|y|y|y| | |y| |y|y|y|y|y| | |y|y|y| |y| |y|y|y|y| | |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| | |y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y| |y| |y| |y|y|
|windows-msvc|i686|y|y|y|y|y| | | | |y|y|y|y|y|y|y|y|y| |y|y|y| |y|y|y|y| |y|y|y|y| | |y| |y|y|y|y|y| | |y|y|y| |y| |y|y|y|y| | |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| | |y|y|y|y|y|y| |y|y|y|y|y| |y|y|y| |y| |y| |y|y|
|windows-gnu|x86_64|y|y|y|y|y| | | | |y|y|y|y|y|y|y|y|y| |y|y|y| |y|y|y|y| |y|y|y|y| | |y| |y|y|y|y|y| | |y|y|y| |y| |y|y|y|y| | |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| | |y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y| |y| |y| |y|y|
|windows-msvc|x86_64|y|y|y|y|y| | | | |y|y|y|y|y|y|y|y|y| |y|y|y| |y|y|y|y| |y|y|y|y| | |y| |y|y|y|y|y| | |y|y|y| |y| |y|y|y|y| | |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| | |y|y|y|y|y|y| |y|y|y|y|y| |y|y|y| |y| |y| |y|y|
|apple MacOS|aarch64|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|
|apple MacOS|x86_64|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|
|freebsd|x86_64|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|
|netbsd|x86_64|y|y|y|y|y|y|y|y| |y|y|y|y|y|y| |y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y| |y|y| |y|y|y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y| |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y|y| |y|y|y| | |y| |y|y|
|android|aarch64|y|y|y|y|y|y|y|y| |y|y|y|y|y|y| |y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y| |y|y| |y|y|y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y| |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| |y|y| |y|y|y|y| |y|y|y|y|y|y| |y|y|y| | |y| |y|y|
|android|x86_64|y|y|y|y|y|y|y|y| |y|y|y|y|y|y| |y|y|y|y|y|y| |y|y|y|y|y|y|y|y|y| |y|y| |y|y|y|y|y|y|y|y|y|y|y|y| |y|y|y|y|y| |y|y|y|y|y|y|y|y|y|y|y|y|y|y|y| |y|y| |y|y|y|y| |y|y|y|y|y|y| |y|y|y| | |y| |y|y|
|solaris|x86_64| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|wasi|wasm32| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|redox|x86_64| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|fuchsia|aarch64| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|fuchsia|x86_64| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

## License

uutils is licensed under the MIT License - see the `LICENSE` file for details

GNU Coreutils is licensed under the GPL 3.0 or later.