Re: How to compare contents of two folders against third one?

["Alexander V. Makartsev" <avbetev@gmail.com>]

On 01.11.2023 20:07, Nicolas George wrote:

> Hi.
>
> Alexander V. Makartsev (12023-11-01):
> > I have a "/source-folder/" which contains very large tree of folders and
> > files.
> >       
> The word is “directory”, not “folder”.
>
>     
    Oh, I'm so sorry, I didn't meant to invoke wrath of the ancients.
    I thought about it and eventually decided to name sample directories
    - folders.
    Mostly because I didn't wanted to answer possible questions like
    "wtf is a directory?".
    And I must to warn you, if you open Xfce file manager (Thunar), that
    blasphemous word "folder" will be everywhere!
    
> > Now, is there an effective way to compare combined contents of two folders
> > "/destination-folder-one/" and
> > "/destination-folder-two/" against a "/source-folder/" to show if there is
> > anything that was left out?
> >       
> When you say “combined content”, you mean merged, right? There are a lot
> of different ways to combine.
>     
    Yes, that is exactly what I meant.
    
> You could mount -t overlay your two destination directories together and
> try rsync or diff.
>
>     
    I've never heard about "mount -t overlay" before and it did the
    trick.
    Thanks for suggestion.

--
With kindest regards, Alexander.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
⠈⠳⣄⠀⠀⠀⠀