[Bug-wget] help for wget

[11]

1. Can i set a bufferSize?    When downloaing a file , i want to recieve 4M or 
8M bytes , then write them to hdd, beacuse this will protect hdd.
2. --content-disposition sometimes the filename is URLEncoder.encode string , i 
want to decode it, how can i do?
3. If i save a log file, then the screen will not display the progress....