this post was submitted on 20 Apr 2026
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[–] porcoesphino@mander.xyz 7 points 3 days ago (1 children)

Any time I want to know if a linux command exists to manipulate data

This is one of the reasons I'm very cautious of my genAI use. Most of the time I got to the stage where I thought "there should be a command / way to do this" and I asked an LLM it would tell me the intuitive interface that I expected existed. But when I tested it didn't exist, the answer had just been creative writing

[–] Eyekaytee@aussie.zone 1 points 3 days ago (1 children)

i guess use whatever llm you’re using then use claude to double check its work

[–] porcoesphino@mander.xyz 1 points 2 days ago (1 children)

Ahhh... what!?

Its linux, its faster to man the command or to type it. Point is that it usefulness to bullshit ratio for me in that situation was far too low

[–] Eyekaytee@aussie.zone 2 points 2 days ago (1 children)

if you can lookup an obscure command and work out the regex faster than a 10 second question to claude I don't know what we're discussing

[–] porcoesphino@mander.xyz 1 points 1 day ago* (last edited 1 day ago) (1 children)

I have wanted to transform things

I didn't know how but it seemed possible. I searched and didn't quickly come up with an answer.

I asked an LLM, and it gave me a confident answer.

I checked the man for the tool and the LLM had used creative writing to create the interface I expected should exist... but it did not exist.

I don't know how you're swapping or merging these basic facts:

  1. If you're told the binary and the flag, the validation of the LLMs output is fast (either with man or executing the command)
  2. If you have a process you're searching for then the searching can be slow to find the combination of commands and flags (and that's why so many people, by the sounds of it yourself included, use LLMs)

I do think a "linux tutor" is one of the better use cases for LLMs for beginners, since you can quickly validate when its recommended commands are incorrect (but you still can't quickly validate if its description of internals is misleading). I just think it falls apart as you start requiring more specialised things, or are at a situation where "this should exist" because the LLMs habitually make things up that sound reasonable to fill in the gaps in what the tools can do. That's not an issue for beginners / the basics especially if there are lots and lots of tutorials the LLMs are sourcing from (although, that opens ethical issues too)

[–] Eyekaytee@aussie.zone 2 points 1 day ago

Oh yeah I'm not sure how niche what you were looking for was, for me my stuff is mostly basic, eg I have a massive text file full of subnets from a routing table, I want a command to remove everything but the subnets, i want to convert png to jpg, i want to convert webp to jpg, how do i search a specific value within 10000 log lines of json etc

just stuff that I could search ecosia -> read up on how X works -> guestimate what i'm looking for with trial and error -> get result or ask claude, run command, it works