timestamping a text stream

[Andrey Simonenko]

On Mon, 19 May 2003 07:52:43 +0000 (UTC) in lucky.freebsd.questions, Andy Farkas wrote:
> 
> Does anybody know of a program similar to script(1) or tee(1) that will
> timestamp each line of input as it happens?
> 
> Ultimately, I want each line of a `make buildworld` timestamped.
> 

Something like this:

#!/bin/sh

cd /usr/src

make buildworld 2>&1 | while read line; do
	echo `date` ${line}
done

ps: Sorry for possible duplicated answers...