thank you Matt and Kevin. I was looking for a way to combine the two
commands with the curly brackets.

:-)~MIKE~(-:

On Mon, Dec 22, 2014 at 11:36 PM, Matt Birkholz <matt@birchwood-abbey.net>
wrote:

> > From: Michael Havens <bmike1@gmail.com>
> > Date: Mon, 22 Dec 2014 15:46:23 -0700
> >
> > I was thinking, I could type in 'sudo apt-get update;sudo apt-get
> > upgrade' but what would be a more efficient way?
> >
> > [...]
> >
> > sudo apt-get {update, upgrade}
> > E: Invalid operation {update,
> >
> > This is interesting: when I typed in 'sudo {apt-get {update; upgrade}}'
> it
> > didn't give me an error for '{update'
> >
> > So does anyone know what I'm talking about and how to do it?
>
> Brace expansion is performed on a command.  A semicolon separates
> commands.  Your command line
>
>         sudo {apt-get {update; upgrade}}
>
> is interpreted as two commands:
>
>         sudo {apt-get {update
>         upgrade}}
>
> So sudo complains about a strange command name "{apt-get", the
> argument "{update" passes without comment, and the shell complains
> about the command name "upgrade}}".
>
> You cannot stick an unescaped semicolon inside braces.
>
> Most efficient?  Stick this in ~/.bashrc
>
>         alias do-it='sudo sh -c "apt-get update; apt-get upgrade"'
>
> so you can say just
>
>         do-it
>
> ?
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