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Old XKCD, still relevant (lemmy.dbzer0.com)

Was trying to extract a totally legit copy of Skate 3 I downloaded today to play on my Steam Deck

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[-] oleorun@real.lemmy.fan 146 points 5 months ago* (last edited 5 months ago)
[-] dohpaz42@lemmy.world 145 points 5 months ago

In the true spirit of UNIX, it’s tar -h

[-] Gork@lemm.ee 36 points 5 months ago
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[-] jflorez@sh.itjust.works 68 points 5 months ago

You just killed us all by putting a space between the dashes

[-] oleorun@real.lemmy.fan 61 points 5 months ago

Fuckin autocorrect was the death of us all.

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[-] Phrodo_00@lemmy.world 27 points 5 months ago* (last edited 5 months ago)

Or by using gnu style options on potentially bsd tar

[-] JackGreenEarth@lemm.ee 85 points 5 months ago
[-] woelkchen@lemmy.world 51 points 5 months ago

Just tar, no arguments. Does nothing, still a valid command, no?

[-] foobaz@lemmy.world 34 points 5 months ago

Exit code 2 -> boom

[-] rrconkle@lemmy.zip 31 points 5 months ago
tar: You must specify one of the '-Acdtrux', '--delete' or '--test-label' options
Try 'tar --help' or 'tar --usage' for more information.
[-] doctorzeromd@sopuli.xyz 24 points 5 months ago

Boom. tar --help for anyone wondering

[-] kameecoding@lemmy.world 72 points 5 months ago
[-] WhiskyTangoFoxtrot@lemmy.world 149 points 5 months ago
[-] kameecoding@lemmy.world 48 points 5 months ago

ah fuck, didn't even notice

[-] justme@lemmy.dbzer0.com 18 points 5 months ago

quod erat demonstrandum :D

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[-] Bosht@lemmy.world 14 points 5 months ago

Christ this comment chain is perfect lmfao

[-] DogWater@lemmy.world 22 points 5 months ago

I like the way you pointed that out lmao

[-] Voroxpete@sh.itjust.works 44 points 5 months ago

.... aaaaaand you've killed us all.

[-] prettybunnys@sh.itjust.works 51 points 5 months ago

tar -czvf tar_name.tar.gz ./

[-] v_krishna@lemmy.ml 47 points 5 months ago

I even read this aloud in my head as "CREATE ZE VUCKING FILE" in a particularly bad German accent same as over 20 years ago when a friend I worked for drilled it in my head.

[-] RealPuyo@lemmy.world 14 points 5 months ago

Read it in tf2 medics voice

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[-] doggle@lemmy.dbzer0.com 50 points 5 months ago

tar --version

You're welcome

[-] bitwaba@lemmy.world 17 points 5 months ago

I'd have gone with tar --help

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[-] Lime66@lemmy.world 45 points 5 months ago
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[-] b3an@lemmy.world 45 points 5 months ago

Somehow, idk why. This one is stuck in my head:

tar -zxvf filename.tar.gz
[-] far_university1990@feddit.de 85 points 5 months ago* (last edited 5 months ago)

tar xzvf

eXtract Ze Vucking File

[-] Bread@sh.itjust.works 16 points 5 months ago

I have to do this command often at work and I can never remember the letters perfectly. This is actually useful, thanks!

[-] BestBouclettes@jlai.lu 17 points 5 months ago* (last edited 5 months ago)

The bomb runs AIX. I'm sorry, you're dead

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[-] llothar@lemmy.ml 43 points 5 months ago

tar -xzf stands for tar eXtract Ze Filez

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[-] brlemworld@lemmy.world 40 points 5 months ago
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[-] j4k3@lemmy.world 34 points 5 months ago
[-] WhoLooksHere@lemmy.world 16 points 5 months ago
[-] saigot@lemmy.ca 21 points 5 months ago

-v is verbose

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[-] Zos_Kia@lemmynsfw.com 33 points 5 months ago

There's an easy mnemonic for that : Compress Ze Vucking File !

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[-] elrik@lemmy.world 27 points 5 months ago

How does it verify the command is valid? Does it run what I enter?

If so, just give it an infinite loop followed by some attempt at a tar command:

while true; do :; done; tar -xyz
[-] velvetThunder@lemmy.zip 35 points 5 months ago

Next time I build a bomb I let the timer continue while the command is running.

[-] Voroxpete@sh.itjust.works 15 points 5 months ago

Yeah, what kind of idiot doesn't parallelize their timer function.

[-] mlg@lemmy.world 26 points 5 months ago

Blue Team: "Okay everyone let's make sure this is absolutely the correct input"

Red Team: "Lmao lets try this 90mb list of bash command injection patterns"

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[-] samus12345@lemmy.world 22 points 5 months ago

I'd like to know if there are any XKCDs that are no longer relevant.

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[-] atx_aquarian@lemmy.world 19 points 5 months ago

I hitched my horse to just what I consider the basics--zip and unzip--and that has made it easy for me. But I've been stuck on those.

Extract anything:

tar xf <archive_file>

Create a tbz2 archive:

tar cjf <archive_file.tbz2> <stuff to put in it>

(And tossing in a -v is pretty universal, if that's your thing.)

Some day, instead of commenting on a ~~reddit~~ Lemmy post, I think I'll Google how to tell it to use .xz.

Ok, you know what? Today is finally that day. It's just capital -J instead of lower-case -j! That's easy enough to remember, I guess.

[-] partial_accumen@lemmy.world 14 points 5 months ago

Stay by the phone always. We may need you to defuse a bomb someday.

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[-] UnculturedSwine@lemmy.world 18 points 5 months ago* (last edited 5 months ago)

tar -cvzf /etc/

Edit: we're dead :(

[-] umbraroze@lemmy.world 16 points 5 months ago

Actually this reminds me, what is the deal with tar command recommendations to use or not use dash? I know GNU tar accepts both (e.g.) tar xvf file.tar and tar -xvf file.tar, but at some points people were like "NO! Don't use the dash! It's going to maybe cause issues somewhere, who knows!" and I was like "OK". Something to do with people up designing the Unix specs?

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[-] tisktisk@monero.town 16 points 5 months ago
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[-] m4@kbin.social 15 points 5 months ago

I just can recall tar xvzf but can't even remember what it's supposed to do.

[-] Hawke@lemmy.world 29 points 5 months ago

eXtract, Verbose, gZip, File.

Not sure why it doesn’t need the dash though.

[-] d00phy@lemmy.world 16 points 5 months ago

The dash used to be how to could tell how long someone had been using tar. If they started with Linux, they probably use a dash. If they started on a UNIX variant, they probably don’t. Either way, the dash isn’t needed.

Also recently learned that recent versions of tar will autodetect compression. So for extraction, you just need “tar xf “

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[-] r4venw@kbin.social 14 points 5 months ago

I always learnt it as Xtract Zee File and to make a tar ball, you want to Compress Zee File

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[-] MyFairJulia@lemmy.world 15 points 5 months ago

Remember: Just tell tar to Xtract Z File.

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this post was submitted on 15 May 2024
879 points (98.5% liked)

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