Ftp.FileExistsAsync Method
Namespace: Rebex.Net
Assembly: Rebex.Ftp.dll (version 7.0.9083)
FileExistsAsync(String, Object)
Begins asynchronous FileExists operation. Detects whether the specified file exists on the server. Not all FTP servers support this!
Declaration
public Task<bool> FileExistsAsync(string remotePath, object state = null)Parameters
| Type | Name | Description |
|---|---|---|
| String | remotePath | The path of the remote file to check. |
| Object | state | An optional user-provided object that identifies this particular asynchronous operation. |
Returns
| Type | Description |
|---|---|
| Task<Boolean> | True if the file exists, false otherwise. |
Implements
Remarks
The standard FTP protocol does not have a dedicated command that could be used to detect whether a file exists. There is the MLST command that is quite reliable, but not all server support it and we have to rely on SIZE or even PWD, CWD commands for these servers.