Title says it all, swupd install dev-utils for p7zip leads me to a dead end.
It’s not open source. You need to manually download the prebuilt binaries from the vendor website. I suggest creating tar or zip archives instead if you are making them yourself. If you’re getting files from others, unfortunately there’s no simple solution for this.
We actually have 7z - this can extract rar archives. Type 7z in a terminal and it’ll show you what bundle you need to add.
After installing, typing 7z i shows a list of file types it can extract. .rar is still not one of them
I don’t believe p7zip is built with rar support, it is missing this file:
/usr/lib64/p7zip/Codecs/Rar.so
I think it’s just a matter of changing make all2 to make all3 but may change the licencing.
The archive manager that comes with (gnome) desktop-apps seems to read .rar archives…
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It’s only the compression library that’s licensed. The decompression libs are for free use.
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This is the method I use. In Gnome, a double click on the file will open the archive. You can also right click to directly extract it. If you prefer the CLI, just running
file-roller -h file.rar
in a terminal will extract the file in the current folder. file-roller is a single utility that works for multiple compression formats. Of course you need the desktop-apps bundle or the file-roller one installed to use it.
I’ve noticed this: apps and utilities that are named differently than the text that appears under their linked icons (or at least in gnome, they are). “Archive Manager” == file-roller, “Files” == nautilus… Seems senseless, but I guess that’s just me {shrug}.
I see the inconsistency you refer to. The names that appear on the launcher are set in the desktop files in ~/.local/share/applications, and it’s up to the app developer to specify both the package name and the display name for their program.
As you pointed out sometimes they differ, but I think — for a new user, who will supposedly use the GUI — it’s easier to understand what a File app does, in comparison to a Nautilus one. 
Nautilus is renamed to Gnome Files in version 3.6, and similarly, Gnome File Roller was renamed to Gnome Archive Manager.
I think the renaming is for user-friendliness, while the original name are also the command name, and to avoid naming conflicts, the developers chose uncommon words.
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Parsing filters unsupported 
Thanks, that worked nicely.
Nautilus just parses everytime or extracts a 100 MB folder into an infinitely long GB file.
Sorry can someone explain what I’m supposed to do? I’m on KDE, how do I unrar files?
Build p7zip and run 7zr x FILENAME.RAR