uutils coreutils
================

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

Why?
----

Many GNU, Linux and other utils are pretty awesome, 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 either old, abandoned, hosted on CVS, written in platform-specific C, etc.

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

Build Instructions
------------------

To simply build all available utilities:
```
make
```

(on Windows use [MinGW/MSYS](http://www.mingw.org/wiki/MSYS) or `Cygwin` make and make sure you have `rustc` in `PATH`)

To build all but a few of the available utilities:
```
make SKIP_UTILS='UTILITY_1 UTILITY_2'
```

To build only a few of the available utilities:
```
make UTILS='UTILITY_1 UTILITY_2'
```

Installation Instructions
-------------------------

To install all available utilities:
```
make install
```

To install all but a few of the available utilities:
```
make SKIP_UTILS='UTILITY_1 UTILITY_2' install
```

To install only a few of the available utilities:
```
make UTILS='UTILITY_1 UTILITY_2' install
```

To install every program with a prefix (e.g. uu-echo uu-cat):
```
make PROG_PREFIX=PREFIX_GOES_HERE install
```

To install the multicall binary:
```
make MULTICALL=y install
```

Set install parent directory (default value is /usr/local):
```
make PREFIX=/my/path install
```

Uninstallation Instructions
---------------------------

To uninstall all utilities:
```
make uninstall
```

To uninstall every program with a set prefix:
```
make PROG_PREFIX=PREFIX_GOES_HERE uninstall
```

To uninstall the multicall binary:
```
make MULTICALL=y uninstall
```

To uninstall from a custom parent directory:
```
make PREFIX=/my/path uninstall
```

Test Instructions
-----------------

To simply test all available utilities:
```
make test
```

To test all but a few of the available utilities:
```
make SKIP_UTILS='UTILITY_1 UTILITY_2' test
```

To test only a few of the available utilities:
```
make UTILS='UTILITY_1 UTILITY_2' test
```

To include tests for unimplemented behavior:
```
make UTILS='UTILITY_1 UTILITY_2' SPEC=y test
```

Run busybox tests
-----------------

This testing functionality is only available on *nix operating systems

To run busybox's tests for all utilities for which busybox has tests
```
make busytest
```

To run busybox's tests for a few of the available utilities
```
make UTILS='UTILITY_1 UTILITY_2' busytest
```

To pass an argument like "-v" to the busybox test runtime
```
make UTILS='UTILITY_1 UTILITY_2' RUNTEST_ARGS='-v' busytest
```

Contribute
----------

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

To do
-----

- chcon
- runcon
- ~~md5sum~~, ~~sha1sum~~, ~~sha224sum~~, ~~sha256sum~~, ~~sha384sum~~, ~~sha512sum~~ (replaced by [hashsum](https://github.com/uutils/coreutils/blob/master/src/hashsum/hashsum.rs))
- chgrp
- cp (not much done)
- csplit
- date
- dd
- df
- expr (almost done, no regular expressions)
- join
- ls
- mv (almost done, one more option)
- numfmt
- od (in progress, needs lots of work)
- pr
- printf
- sort (a couple of options implemented)
- split (a couple of missing options)
- stty
- tail (not all features implemented)
- test (not all features implemented)
- uniq (a couple of missing options)

License
-------

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