GetDirSummary Method
Gets a content summary for a directory.
Syntax
hadoopdfs.getDirSummary(dirPath, [callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
This method gets a content summary for the directory at DirPath, populating the DirSummary* properties.
DirPath may be empty to get a content summary for the root directory (/).