exec-promise 
Executes a command line string using child_process.exec under the covers, wrapped in a bluebird promise for convenience.
Install
$ npm install --save exec-promise
Usage
var execPromise = require('exec-promise');
execPromise('ls -l')
.then(function(stdout, stderr) { // can inspect output if desired
console.log('done!');
})
.catch(function(err) {
throw err;
});
/*
total 16
-rw-r--r-- 1 montgomeryc staff 162 Apr 24 14:40 index.js
drwxr-xr-x 3 montgomeryc staff 102 Apr 24 14:40 node_modules
-rw-r--r-- 1 montgomeryc staff 271 Apr 24 14:40 package.json
done!
*/API
execPromise(cmd[,options])
cmd
Required
Type: string
Command line to execute
options
Type: object
Default: null
The node.js child_process.exec options object
License
MIT © Chris Montgomery