		'use strict';
		var childProcess = require('child_process');
		var findVersions = require('find-versions');
		const execa = require('execa');
		const findVersions = require('find-versions');

		module.exports = function (bin, cb) {
		childProcess.exec(bin + ' --version', function (err, stdout, stderr) {
		if (err) {
		module.exports = (bin, opts) => {
		opts = opts \|\| {};

		return execa(bin, opts.args \|\| ['--version'])
		.then(result => findVersions(result.stdout \|\| result.stderr, {loose: true})[0])
		.catch(err => {
		if (err.code === 'ENOENT') {
		err.message = 'Couldn\'t find the `' + bin + '` binary. Make sure it\'s installed and in your $PATH';
		err.message = `Couldn't find the '${bin}' binary. Make sure it's installed and in your $PATH`;
		}

		return cb(err);
		}

		cb(null, findVersions(stdout.trim() \|\| stderr.trim(), {loose: true})[0]);
		});
		throw err;
		});
		};

package.json

		{
		"name": "bin-version",
		"version": "1.0.4",
		"version": "2.0.0",
		"description": "Get the version of a binary in semver format",
		@@ -10,9 +10,9 @@ "license": "MIT",
		"email": "sindresorhus@gmail.com",
		"url": "http://sindresorhus.com"
		"url": "sindresorhus.com"
		},
		"engines": {
		"node": ">=0.10.0"
		"node": ">=4"
		},
		"scripts": {
		"test": "node test.js"
		"test": "xo && ava"
		},
		@@ -32,7 +32,12 @@ "files": [
		"dependencies": {
		"find-versions": "^1.0.0"
		"execa": "^0.1.1",
		"find-versions": "^2.0.0"
		},
		"devDependencies": {
		"ava": "0.0.4"
		"ava": "*",
		"xo": "*"
		},
		"xo": {
		"esnext": true
		}
		}

readme.md

		@@ -8,3 +8,3 @@ # bin-version [![Build Status](https://travis-ci.org/sindresorhus/bin-version.svg?branch=master)](https://travis-ci.org/sindresorhus/bin-version)

		```sh
		```
		$ npm install --save bin-version
		@@ -16,3 +16,3 @@ ```

		```sh
		```
		$ curl --version
		@@ -23,11 +23,23 @@ curl 7.30.0 (x86_64-apple-darwin13.0)
		```js
		var binVersion = require('bin-version');
		const binVersion = require('bin-version');

		binVersion('curl', function (err, version) {
		binVersion('curl').then(version => {
		console.log(version);
		//=> 7.30.0
		//=> '7.30.0'
		});
		```

		```
		$ openssl version
		OpenSSL 1.0.2d 9 Jul 2015
		```

		```js
		binVersion('openssl', {args: ['version']}).then(version => {
		console.log(version);
		//=> '1.0.2'
		});
		```


		## CLI
		@@ -34,0 +46,0 @@

bin-version - npm Package Compare versions

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