Well, you just have to select the appropriate action in the ''File exists'' option or in the dialog window of the same name.
You can use the filetime to determine which files changed, but it requires correct timestamp handling of the server software. The other is filesize, which won't work for ASCII transfers and changed files with unchanged size.
You can use the filetime to determine which files changed, but it requires correct timestamp handling of the server software. The other is filesize, which won't work for ASCII transfers and changed files with unchanged size.