this post was submitted on 15 May 2024
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    Old XKCD, still relevant (lemmy.dbzer0.com)
    submitted 6 months ago by LainTrain@lemmy.dbzer0.com to c/linuxmemes@lemmy.world
    154 comments fedilink hide all child comments
     

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

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    [–] umbraroze@lemmy.world 16 points 6 months ago (4 children)

    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?

    [–] ben@feddit.dk 5 points 6 months ago (1 children)

    I didn't even know the dash was optional. I guess you learn something new everyday.

    [–] MehBlah@lemmy.world 2 points 6 months ago

    I still use it though. Its how I learned it all those years ago and its ingrained as muscle memory when typing the command.

    [–] vox@sopuli.xyz 2 points 6 months ago (1 children)

    idk if it's optional why bother typing it

    [–] lseif@sopuli.xyz 9 points 6 months ago

    personally, it is a little easier to read, especially in a script. and its more consistent with other commands

    [–] debil@lemmy.world 2 points 6 months ago* (last edited 6 months ago)

    No idea, but with tar I never use dashes. Just tar xf away.

    [–] barsoap@lemm.ee 2 points 6 months ago* (last edited 6 months ago)

    POSIX. POSIX didn't get designed but documented behaviour that was portable between different UNIX flavours and was then declared a standard.

    If you're annoyed by it just consider the xvf in tar xvf to be a subcommand as pull is in git pull. Tar simply has a fancy subcommand syntax. At least it's not dd.