emerge list from file

TimSSC · Posted: Sat Jul 29, 2006 7:03 am Post subject: emerge list from file

I am installing the same gentoo system on several machines, and to make the process easier, I wanted to make a file, where eachline is a package to emerge. Therefor, if I wanted to add a package, I would just add it to the list, and emerge the list with the --no-replace option, and if I wanted to install a new system, the package owuld already be there.

The problem is I can't figure out how to feed a file into emerge. Is there a simple scripting way to do this? Or a better way to provide the functions I'm looking for?

thanks.

intmain · Posted: Sat Jul 29, 2006 8:16 am Post subject:

If you have a file where each line contains a package name, e.g. packages.list, then you can emerge these packages with

TimSSC · Posted: Sat Jul 29, 2006 5:10 pm Post subject:

thanks, that's just what I was looking for. One question though, what is the difference between

intmain · Posted: Sun Jul 30, 2006 7:35 am Post subject:

In this case there is no difference, you can also write cat emerge.list | xargs emerge (which is of course the shorter form) because cat can read it's input directly from a file. If cat couldn't read it's input directly from a file you would need the <.

Genone · Posted: Sun Jul 30, 2006 12:53 pm Post subject:

Or a bit simpler: