help2002

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help2002

This forum is provided to promote discussion amongst students enrolled in CITS2002 Systems Programming.
Please consider offering answers and suggestions to help other students! And if you fix a problem by following a suggestion here, it would be great if other interested students could see a short "Great, fixed it!" followup message.

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6:03am Sun 15th Oct, Christopher M.

ANONYMOUS wrote:

> Hi there, hope everyone is doing well. > > I have two questions > > First : ./mysync -r -a dir1 dir2 > > Since -a ask that all directories including . and .. be synced and -r ask that everything in the subdirectories also be synced recursively. When I try to sync ., it becomes a infinite loop as cd . brings me to my current working directory and cd .. brings me to my parent directory and since both of them contain . and .., I don't know where to stop

the answer is the same to this one: [help2002]⬈

> Second : ./mysync -a -p dir1 dir2 > > Upon reading some web results online, it seems like MacOS does not support files that start with . for their modification time to be changed. Does this mean that when I run this command, I am only required to change the modification times and permissions of the regular files & directories? Thank you.

I'm unsure what webpage you've read, or if you're misunderstood it, but try this command: touch .hidden ; ls -ld.hidden ; sleep 65 ; touch .hidden ; chmod 444 .hidden ; ls -l .hidden The names of regular files and directories can both begin with '.' - no restrictions. AND, a reminder that the project will be marked on Linux, and not macOS.