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https://github.com/marak/bpipe
Browser <==> Unix Pipes
https://github.com/marak/bpipe
Last synced: 24 days ago
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Browser <==> Unix Pipes
- Host: GitHub
- URL: https://github.com/marak/bpipe
- Owner: Marak
- Created: 2014-09-28T03:16:21.000Z (about 10 years ago)
- Default Branch: master
- Last Pushed: 2014-10-07T14:13:56.000Z (about 10 years ago)
- Last Synced: 2024-05-23T08:33:48.359Z (6 months ago)
- Language: JavaScript
- Homepage:
- Size: 901 KB
- Stars: 159
- Watchers: 9
- Forks: 4
- Open Issues: 4
-
Metadata Files:
- Readme: README.md
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README
# bpipe
## Browser <==> Unix Pipes
## `v0.0.1`
`bpipe` is a command line tool which allows you to create readable and writable streams between standard Unix Pipes and the browser to run commands like this:
```bash
bpipe -s "#myInput" -e "keyup" | less
echo "hello there" | bpipe -s "#myDiv"
````
# Update
Since this project has been receiving a good amount attention I have cleaned up the codebase and started development of version `v0.2.0` at https://github.com/marak/bpipe/tree/v0.2.0
# Installation
```bash
npm install bpipe -g
```
# Usage
```
Usage: bpipe [server] [options]
server: the location of the `bpipe-server` to connect to
Defaults to localhost:8001
Options:
-h, --help output usage information
-V, --version output the version number
-s, --selector [string] the CSS selector to attach to
-e, --event [string] the DOM event to attach to
-u, --url [string] the url to connect to
```
# Examples
A hosted `bpipe-server` service is available at [http://bpipe.io](http://bpipe.io). This allows the use of `bpipe` without needing to setup a server.
You can also run a local server using the following command:
```bash
bpipe-server
open index.html
```
## STDIN
### Pipe data from a text `` to `less`
```bash
bpipe -s "#myInput" -e "keyup" | less
```
*Whenever the select box is changed in the browser, the new value will be piped to less*
### Pipe data from a `` box to `less`
```bash
bpipe -s "#mySelect" -e "change" | less
```
*Whenever the select box is changed in the browser, the new value will be piped to less*
## STDOUT
### Pipe data from `echo` to a div's innerHTML
```bash
echo "hello there" | bpipe -s "#myDiv"
```
*When this command is run the browser will update with "hello there"*
### Caveats
`bpipe` will only work if the custom `.js` file is loaded on the page you wish to interact with. You will also need to run a websocket server to facilitate communication between the browser and `bpipe`. A server and browser bundle are both included in this project. A free `bpipe` service is also available at [http://bpipe.io](http://bpipe.io)
In the not so distant future perhaps browsers will natively support this type of interaction. Until then, we polyfill.
### Can I actually use `tail`?
Of course! You can use any standard Unix tool. If you want to use `tail` it should work by creating a temporary file or named piped.
`less` also works pretty well.
```bash
bpipe -s "#mySelect" -e "change" > /tmp/select.log
tail -f /tmp/select.log
```
### Open Ownership / Open Contribution
If anyone is interested in contributing to the project I would be glad to add additional contributors / owners.
## Status
The current build is functional, but should be considered experimental. With a little more polish, `bpipe` could be a useful tool. If anyone wants to help further develop this tool feel free to reach out or start opening up pull requests.
## TODO
* Better querySelectorAll support
- binding complex query statements
- using selectors that contain more than one match
* Add ability to open new pages with one line
- `echo "*Hello" | marked | bpipe index.html`
* Unit tests
- The library needs unit tests.
* Better configuration options for `bpipe` and `bpipe-server`
- Allow `bpipe` and `bpipe-server` to specify host and port
- Create `.bpipe` configuration file
* Implement WebRTC communication to bypass having to pass data through server
### Dependencies / Acknowledgements
- [websocket-stream](https://github.com/maxogden/websocket-stream) by @maxodgen
- [domnode-dom](https://github.com/chrisdickinson/domnode-dom) by @chrisdickinson
- [ws](https://github.com/einaros/ws) by @einaros
- [Dominic Tarr](https://github.com/dominictarr/)
## License
MIT
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