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Better dest handling for Gulp.

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# gulp-rte [![NPM version](https://badge.fury.io/js/gulp-rte.png)](http://badge.fury.io/js/gulp-rte)

> Better dest handling for Gulp.

## Install
Install with [npm](npmjs.org):

```bash
npm i gulp-rte --save-dev
```

## How it works

Substitute **prop-strings** like `:basename`, `:ext`, `:dirname` or [any random string](#random-string) that has a [match on the context](#context) object.

The generated `dest` path will be appended to whatever is defined in `gulp.dest()`.

**For example:**

```js
gulp.src('*.js')
  .pipe(rte(':basename:ext'))
  .pipe(gulp.dest('blog'));

//=> blog/a.js, blog/b.js, blog/c.js...
```

## Context

File paths are parsed to create the default `context` object, so any of the following will work:

Given the filepath `a/b/c/d.js`:

* `:dirname` returns `a/b/c`
* `:basename` returns `d.js`
* `:ext`|`:extname` returns `.js`

**Note** that, continuing with this example, the path must actually have an extension for `:ext` to return an extension. If an extension doesn't actually exist on the filepath then `ext` itself will be returned. An easy way around this is to define `ext` as a [custom property](#custom-properties).

### Custom properties

Pass custom properties as a second parameter (continuing with `a/b/c/d.js`):

```js
rte(':alpha/:gamma:ext', {alpha: 'one', gamma: 'three'})
//=> one/three.js

rte(':alpha/:basename/:gamma:ext', {alpha: 'one', gamma: 'three'})
//=> one/d/three.js
```

## Usage examples

### Basic example

This is just a basic example of what [rte](https://github.com/jonschlinkert/rte) can do:

```js
var gulp = require('gulp');
var rte = require('gulp-rte');

// given you have:
// ['a/b/c/foo.js', 'a/b/c/bar.js', 'a/b/c/baz.js']

gulp.task('default', function() {
 return gulp.src('a/b/c/*.js')
    .pipe(rte(':basename.min:ext'))
    .pipe(gulp.dest('blog'));
});
//=> blog/foo.min.js
//=> blog/bar.min.js
//=> blog/baz.min.js
```

### Random string

Add a randomized string to any point in a file path:

```js
var context = {
  random: Math.random().toString(36).substr(2, 5);
};

gulp.task('default', function() {
 return gulp.src('a/b/c/*.js')
    .pipe(rte(':basename-:random.js', context))
    .pipe(gulp.dest('blog'));
});
//=> blog/foo-qi2os.js
//=> blog/bar-s5s7p.js
//=> blog/baz-bu96e.js
```

**Any pattern** can be used. For inspiration or examples, see:

* [rte](https://github.com/jonschlinkert/rte)
* [strings](https://github.com/assemble/strings)
* [permalinks](https://github.com/jonschlinkert/permalinks)

## Author

**Jon Schlinkert**
 
+ [github/jonschlinkert](https://github.com/jonschlinkert)
+ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)

## License
Copyright (c) 2014 Jon Schlinkert, contributors.  
Released under the MIT license

***

_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on June 28, 2014._

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