59 lines
949 B
Markdown
59 lines
949 B
Markdown
# leven [](https://travis-ci.org/sindresorhus/leven)
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> Measure the difference between two strings
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> The fastest JS implementation of the [Levenshtein distance](http://en.wikipedia.org/wiki/Levenshtein_distance) algorithm
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## Install
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```
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$ npm install --save leven
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```
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## Usage
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```js
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var leven = require('leven');
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leven('cat', 'cow');
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//=> 2
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```
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## Benchmark
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```
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$ npm run bench
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```
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```
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343,757 op/s » leven
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264,625 op/s » levenshtein-edit-distance
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49,981 op/s » fast-levenshtein
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25,496 op/s » levenshtein-component
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18,240 op/s » levdist
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17,554 op/s » ld
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12,633 op/s » natural
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9,960 op/s » levenshtein
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```
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## CLI
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```
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$ npm install --global leven
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```
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```
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$ leven --help
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Example
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$ leven cat cow
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2
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```
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## License
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MIT © [Sindre Sorhus](http://sindresorhus.com)
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