On Wed, Feb 3, 2010 at 1:55 PM, Eric Shubert <ejs@shubes.net> wrote:

joe@actionline.com wrote:
> What is the procedure and syntax to 'rsync' all of a specific set of
> directories and files from one computer to another that are on the same
> network?
>
> I have been burning DVDs on one computer and copying those files onto my
> other computer(s), but when I download all those files, the permissions
> are all changed to be non-writeable files and directories.
>
> -r--r--r-- 1 root root 9598 Feb 2 15:18 filenames
> dr-xr-xr-x 5 root root 6144 Feb 2 21:06 directory-names

The files are not writable on the DVD, so when the DVD is copied to the
HD, they remain not writable.

> Is there some way to globally fix that?

The chmod command has an -R option. Otherwise, normal file name pattern
matching applies.

> Or would 'rsync' be a better solution?
>
> I've never used 'rsync' and after reading the 'man' pages, I'm still
> confused.

There are examples in the rsync man page. What specifically do you not
understand?

We can't really give you the command you'd need to use without knowing
more specifics about the set of directories and machines (ip addresses?)
you're dealing with.

> Is there a way to do this to preserve the file dates

There is a -p flag for the cp and scp commands which does this.

> and only copy those
> files that are newer (have more recent dates) onto the target system?

You'll need to use rsync for this part.

--
-Eric 'shubes'

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