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+# sftp-promises
+
+[![NPM version](http://img.shields.io/npm/v/sftp-promises.svg?style=flat)](https://npmjs.org/package/sftp-promises)[![Coverage Status](https://coveralls.io/repos/brokenbot/sftp-promises/badge.svg?branch=master&service=github)](https://coveralls.io/github/brokenbot/sftp-promises?branch=master)
+
+>SFTP Promise Wrapper for ssh2
+
+Support basic SFTP transaction with promises, specifically for fronting SFTP with a web based API using something like Koa
+
+### Warning
+Each request will create a new conneciton and close it when finished, this is by design as its intended to be used in stateless web applications.  As such care should exercised when using on high traffic systems to avoid too many connections to SFTP server and general connection overhead.  
+
+### Streams
+The current streams implementation requires supplying either readable or writable streams and do not return promises with streams like the getBuffer method.  This is to support non-presistent connections which would drop if a stream was returned on the promise resolve. 
+
+# Usage
+_**One connection per call**_
+
+
+```javascript
+var config = {host: 'localhost', username: 'user', password: 'pass' };
+var SFTPClient = require('sftp-promises');
+var sftp = new SFTPClient(config);
+     
+sftp.ls('~/').then(function(list) { console.log(list) })
+```
+
+_**Persistent Session calls (Experimental)**_
+
+```javascript
+var config = {host: 'localhost', username: 'user', password: 'pass' };
+var SFTPClient = require('sftp-promises');
+var sftp = new SFTPClient();
+
+// get session
+var session = sftp.session(config).then(function(ftpSession) { session = ftpSession })
+...code to ensure session is ready...  
+sftp.ls('~/', session).then(function(list) { console.log(list) })
+
+// close socket
+session.end()
+```
+
+config options are the same as [ssh2](https://github.com/mscdex/ssh2) config options.
+
+# Supported calls
+> All calls take an optional ssh2 Connction object as the final arguement for using persistent session.
+
+**sftp.stat(\<string>remote\_path, [ssh2.Connection]session)** returns a promise with on object containing path attributes  
+**sftp.ls(\<string>remote\_path, [ssh2.Connection]session)** returns a promise with an object descibing the path  
+**sftp.getBuffer(\<string>remote\_path, [ssh2.Connection]session)** returns a promise with a buffer containing the file contents  
+**sftp.putBuffer(\<Buffer>data, \<string>remote\_path, [ssh2.Connection]session)** returns a promise with a boolean, true if successful  
+**sftp.get(\<string>remote\_path, \<string>local\_path, [ssh2.Connection]session)** returns a promise with a boolean, true if successful  
+**sftp.put(\<string>local\_path, \<string>remote\_path, [ssh2.Connection]session)** returns a promise with a boolean, true if successful  
+**sftp.rm(\<string>location, [ssh2.Connection]session)** returns a promise with a boolean, true if successful  
+**sftp.mv(\<string>src, \<string>dest, [ssh2.Connection]session)** returns a promise with a boolean, true if successful 
+**sftp.mkdir(\<string>path, [ssh2.Connection]session)** returns a promise with a boolean, true if successful
+**sftp.rmdir(\<string>path, [ssh2.Connection]session)** returns a promise with a boolean, true if successful
+**sftp.getStream(\<string>path, <writableStream>writableStream, [ssh2.Connection]session)** returns a promise with a boolean, true if stream write completed
+**sftp.putStream(\<string>path, <writableStream>writableStream, [ssh2.Connection]session)** returns a promise with a boolean, true is stream write completed
+
+# Planned Features/Updates
+* have test rely on ssh2.server instead of local ssh server
+
+