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POST parameter echo example
===========================
To try this example, you need GNU `make` and `git` in your PATH.
To build the example, run the following command:
``` bash
$ make
```
To start the release in the foreground:
``` bash
$ ./_rel/bin/echo_post_example console
```
As this example echoes a POST parameter, it is a little more
complex to test. Some browsers feature tools that allow you
to perform one such request, or you can use the command line
tool `curl` as we will demonstrate.
Example output
--------------
``` bash
$ curl -i -d echo=echomeplz http://localhost:8080
HTTP/1.1 200 OK
connection: keep-alive
server: Cowboy
date: Fri, 28 Sep 2012 04:12:36 GMT
content-length: 9
content-type: text/plain; charset=utf-8
echomeplz
```
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