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https://github.com/erlang/otp
Erlang/OTP
https://github.com/erlang/otp
Last synced: 3 days ago
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Erlang/OTP
- Host: GitHub
- URL: https://github.com/erlang/otp
- Owner: erlang
- License: apache-2.0
- Created: 2009-11-16T17:17:57.000Z (about 15 years ago)
- Default Branch: master
- Last Pushed: 2024-10-29T09:46:47.000Z (about 1 month ago)
- Last Synced: 2024-10-29T11:28:21.710Z (about 1 month ago)
- Language: Erlang
- Homepage: http://erlang.org
- Size: 523 MB
- Stars: 11,363
- Watchers: 508
- Forks: 2,952
- Open Issues: 437
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE.txt
- Authors: AUTHORS
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- jimsghstars - erlang/otp - Erlang/OTP (Erlang)
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README
# [Erlang/OTP](https://www.erlang.org)
**Erlang** is a programming language and runtime system for building massively scalable soft real-time systems with requirements on high availability.
**OTP** is a set of Erlang libraries, which consists of the Erlang runtime system, a number of ready-to-use components mainly written in Erlang, and a set of design principles for Erlang programs. [Learn more about Erlang and OTP](https://www.erlang.org/doc/system/getting_started.html).
[Learn how to program in Erlang](http://learnyousomeerlang.com/).
## Examples
There are several examples [on the website](http://erlang.org/faq/getting_started.html) to help you get started. The below example defines a function `world/0` that prints "Hello, world" in the Erlang shell:
```erlang
-module(hello).
-export([world/0]).
world() -> io:format("Hello, world\n").
```
Save the file as `hello.erl` and run `erl` to enter the Erlang shell to compile the module.
```sh
Erlang/OTP 24 [erts-12.2] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:1] [jit]
Eshell V12.2 (abort with ^G)
1> c(hello).
{ok,hello}
2> hello:world().
Hello, world
ok
```
Learn more about the Erlang syntax of [modules](http://erlang.org/doc/reference_manual/modules.html), [functions](http://erlang.org/doc/reference_manual/functions.html) and [expressions](http://erlang.org/doc/reference_manual/expressions.html) on [Erlang.org](https://www.erlang.org).
## Installation
### Binary Distributions
Erlang/OTP is available as pre-built binary packages by most OS package managers.
```sh
apt-get install erlang
```
### Compiling from source
To compile Erlang from source, run the following commands. The complete building and installation instructions [can be found here](HOWTO/INSTALL.md).
```sh
git clone https://github.com/erlang/otp.git
cd otp
```
Checkout the branch or tag of your choice
```sh
git checkout maint-27 # current latest stable version
```
Configure, build and install
```sh
./configure
make
make install
```
Alternatively, you can use [Kerl](https://github.com/kerl/kerl), a script that lets you easily build Erlang with a few commands.
## Bug Reports
Please visit our [GitHub Issues](https://github.com/erlang/otp/issues) page for reporting bugs. The instructions for submitting bugs reports [can be found here](https://github.com/erlang/otp/wiki/Bug-reports).
### Security Disclosure
Please do not report security vulnerabilities through public channels, like
GitHub issues, discussions, or pull requests.
Please disclose the security issues following our [SECURITY](SECURITY.md) guidelines.
## Contributing
We are grateful to the community for contributing bug fixes and improvements. Read below to learn how you can take part in improving Erlang/OTP. We appreciate your help!
### Contribution Guide
Read our [contribution guide](CONTRIBUTING.md) to learn about our development process, how to propose fixes and improvements, and how to test your changes to Erlang/OTP before submitting a pull request.
### Help Wanted
We have a list of [Help Wanted](https://github.com/erlang/otp/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22) bugs that we would appreciate external help from the community. This is a great place to get involved.
## Awesome-Erlang
You can find more projects, tools and articles related to Erlang/OTP on the [awesome-erlang list](https://github.com/drobakowski/awesome-erlang). Add your project there.
## License
Erlang/OTP is released under the [Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0).
> %CopyrightBegin%
>
> Copyright Ericsson AB 2010-2024. All Rights Reserved.
>
> Licensed under the Apache License, Version 2.0 (the "License");
> you may not use this file except in compliance with the License.
> You may obtain a copy of the License at
>
> http://www.apache.org/licenses/LICENSE-2.0
>
> Unless required by applicable law or agreed to in writing, software
> distributed under the License is distributed on an "AS IS" BASIS,
> WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> See the License for the specific language governing permissions and
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