I think things do not go like this. If you comment out some lines from your sources.list and then apt-get update, you will build another database with only the packages of the lines not commented out.
On Fri, Jan 09, 2004 at 10:48:12AM +0800 or thereabouts, Stephen Liu wrote: > Hi folks, > > Following is the content of /etc/apt/sources.list in my Debian box > > #deb copy:///cdrom/ sarge main > > deb cdrom:[Debian GNU/Linux testing _Sarge_ - Official NetInst Snapshot i386 > Binary-1 (20031118)]/ unstable contrib main > > deb ftp://ftp.debian.org/debian/ testing main > deb-src ftp://ftp.debian.org/debian/ testing main > > deb http://security.debian.org/ stable/updates main contrib > > deb ftp://ftp.debian.org/debian/ stable main contrib > deb-src ftp://ftp.debian.org/debian/ stable main contrib > > > If I expect update only taking effect on "testing main" whether I have to > comment out; > # deb http://security.debian.org/ stable/updates main contrib > # deb ftp://ftp.debian.org/debian/ stable main contrib > # deb-src ftp://ftp.debian.org/debian/ stable main contrib > > And if I expect update only taking effect on "stable main" whether I have to > comment out; > # deb ftp://ftp.debian.org/debian/ testing main > # deb-src ftp://ftp.debian.org/debian/ testing main > > I failed to find information on man apt-get > > Kindly advise > > TIA > > B.R. > Stephen Liu > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > -- [EMAIL PROTECTED] -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]