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When I copy files from one directory to another, the directory permissions get reset (e.g: from 0755 to 0775), and this causes problems, forcing me to go back and manually reset directory permissions. I'm currently doing cp -r /source/directory /destination/directory

I want to copy all of the files and new directories, but not overwrite permissions of existing directories.

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up vote 5 down vote accepted

To preserve links you may use cp (manpage for cp ) with the -d flag, which is equivalent to --no-dereference --preserve=links.

To combine this with the -p and -R flags you can use the archive flag -a.

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Add -p flag

cp -pR /source/dir /dest/dir

-p same as --preserve=mode,ownership,timestamps

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My ~/.bashrc has been modified to contain

alias cp='cp -i --preserve=all'

This means when I use cp, it will also prompt before overwriting (-i), and preserve all (i.e. mode, ownership, timestamps; and if possible additional attributes: context, links, xattr).

You could always change it to just mode instead of all if you like, but I do like having this alias to change the defaults of cp.

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