Thanks for all of you. The answer using pv(1) is what I need. pv is a 'pipe viewer' that display the progress of a command-line pipe. It might also able to display other pipes. It is new to me that the tool perform data rate limit task as well.
A brief check shows trickle, as suggested, is a tool for network bandwidth limit, that might also be useful in cases. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4cb7b7db.2050...@realss.com