[cs615asa] Question about HW5

[Jan Schaumann]

Pengfei Zhang <pzhang11 at stevens.edu> wrote:
 
> What should we do if we want to backup some files but we do not have
> permission to access them, should we report error and terminate our program
> or ignore those files?

As a user of a backup utility, what would you expect?

If you tell your tool to backup all your files, and it finds some it
can't access, do you expect it to at least back up those it can access,
or do you expect it to abort?

> For example, we do not have permission to access '/' on linux-lab.

You do have read access to /.

-Jan