[SOLVED] How can I view the comments I wrote in KDE? (lemmy.ml)

submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]

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I switched to Pop!_OS earlier this year from Manjaro KDE. One feature that KDE had is that you could write a comment on any file by clicking Properties and going to the metadata. I assumed that this wrote the comment into the metadata of every file and that this would translate over to other distributions, but it doesn't appear to be the case.

I found this old thread from 2012 which said that KDE stores it's comments in ~/.kde/share/apps/nepomuk/. If that's still true today, I'm really worried now that all of that comment data I spent hours writing has been deleted along with Manjaro, because I had no idea that the data wasn't store inside the file itself, since it was always listed with the rest of the metadata for every file in it's properties. Is there no hope of me getting these comments back, or is there some way?

Update: Despite what that old thread seemed to imply, it turns out the comments do in fact get stored in metadata. After getting help in the comments, I found the easiest solution was to simply install Dolphin (KDE's file manager) into Pop!_OS, which allowed me to view the comments just as they were when I used KDE. For future readers, some other options that I didn't try that probably also work are:

Load a Linux distro using KDE into a virtual machine on top of Pop!_OS and view comments that way
Flash a distro like KDE Neon onto a live USB and view the comments that way
Use the command getfattr FILENAME -n user.xdg.comment to view the comment data within the Pop! terminal (I didn't get this working, but this was suggested to me)

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[-] [email protected] 8 points 1 week ago* (last edited 1 week ago)

Those comments are not lost, the nepomuk (later baloo) is only a indexing service that scrape the file metadata for search purposes.

The attributes are actually stored inside the files in file metadata supported by filesystem. So If those original files still reside in their original filesystem (they ware not like moved to different filesystem that doesn't support those attributes or like compressed (into zip that probably would not retain those metadata)) you can read it.

I did some local digging into it and after searching whole drive while not finding the content of the comment, after searching some filesystem docs, found a explanation at https://en.wikipedia.org/wiki/Extended_file_attributes

You can read them using:

getfattr FILENAME -n user.xdg.comment
getfattr FILENAME -n user.xdg.tags

like getfattr test.txt -n user.xdg.comment

[-] [email protected] 3 points 1 week ago* (last edited 1 week ago)

It sounds like you move those files directly from Linux FS to Linux FS, so they should be preserved (might not be if copied).

But I think if those comments are important, you should still have them stored in some markdown file next to them to avoid losing them if you move them accidentally to a Filesystem that doesn't support Extended file attributes or the "tool" that you are going to use instead of attributes goes away.

[-] [email protected] 1 points 1 week ago

Yeah, I did have that problem in the past with the comment data being demolished if I transferred the files with said comments onto my NTFS formatted external hard drive, though strangely, I'm still able to manually write a new comment on those files after the transfer.

In other words, what I find is that transferring a file with a comment from one ext4 drive to another ext4 drive retains the comment data, but transferring it from one ext4 drive to an NTFS drive deletes it, though it still allows me to rewrite a replacement comment regardless.

I've solved my issue by installing Dolphin, which allows me to see the comments now, and updated my post.

[-] [email protected] 1 points 1 week ago* (last edited 1 week ago)

Thanks, I'll try to do this tomorrow. Do you think that loading Manjaro KDE or any other distro using KDE into a VM, and connecting my drive with the files to the VM would allow me to view the comments just as I previously could using KDE?

[-] [email protected] 3 points 1 week ago* (last edited 1 week ago)

If you conmect and mount the whole drive (or at last whole partition) directly to the VM then yes. Before doing all that work, personaly I would just use the command to manually confirm the metadata is thereo on files you know that has comments. Or even simpler - boot a KDE neon (or any other KDE live disto) live from USB, and connect the drive.

But ... Why not just install Dolphin file manager in your current distro? It should be as easy as installing any other package/app. You can have more than one file manager installed at a time.

[-] [email protected] 2 points 1 week ago

Thanks so much for all the suggestions. I couldn't figure out how to use the command because it was giving me errors (which is probably just something I did wrong). But I'll try to figure that out for the sake of learning.

What did work for me, was downloading Dolphin (it looks so messes up in Cosmic though, lol) and the comments are absolutely there, thank God! So now I can recover them and I think I'm going to try to find an alternative solution for making these records that works easily across distros (because I don't plan to stick with Pop! forever)

[-] [email protected] 1 points 1 week ago

What kind of error?

[-] [email protected] 4 points 1 week ago

If that comment is true and you don't have the database anymore then there's no hope.

If you were writing comments to understand which file is which then consider a directory scheme for sorting your files and add readme.md files in a narrow category of files to describe them. I do something like: All coding projects go into home/code, each project has a readme. Etc.

If you were just logging for history purposes ie good memories in photos I'd suggest just making a markdown gallery. Or something similar.

[-] [email protected] 1 points 1 week ago

Yes, I was mainly using it for photos and videos. I wrote a lot of text in old photos from when I was a very young child or baby in order to record as many memories I still have in relation to them as possible, so these comments mean a lot.

[-] [email protected] 2 points 1 week ago* (last edited 1 week ago)

Unfortunately I'm afraid they're lost (I think). UPD: see kolorafa's comment

There's some alternatives if you're willing to continue with that:

Aves Gallery on android (is on fdroid) can embed comments into image long term metadata. But I have not tested it after transfer.

Creating a directory Gallery with markdown files and a subdir for all images and then writing comments inside those markdown files with a link to the local image. Very simple to do with Obsidian or similar markdown-powered software.

Out of the top of my head I can think of two structures for that:

/Year/month/day/ dirs, hoursminutesecond.png and hourminutesecond.txt with the comment per photo.
/Gallery/images/datetime.png and /Gallery/yearmonth_gallery.md with comments and links to multiple images for that month.

And probably more that I'm not aware of myself.

[-] [email protected] 3 points 1 week ago

Only lost if the files got moved to another filesystem as it turned out they are actually stored inside file metadata.

[-] [email protected] 2 points 1 week ago

Great, then they might be recoverable.

this post was submitted on 05 Jul 2024

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