[cs615asa] Question about HW5

[Pengfei Zhang]

Hi all:

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?

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

$ ec2_backup /

, program will exit and report 'permission denied', is that ok?
-- 
Best regards
Pengfei Zhang
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