Programmer Humor

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tar -vczfx123 ought to do it (imgs.xkcd.com)

submitted 8 months ago by CowsLookLikeMaps@sh.itjust.works to c/programmerhumor@lemmy.ml

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img title="I don't know what's worse--the fact that after 15 years of using tar I still can't keep the flags straight, or that after 15 years of technological advancement I'm still mucking with tar flags that were 15 years old when I started."

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[–] dotslashme@infosec.pub 138 points 8 months ago (1 children)

Wouldn't tar --help suffice? Afaik, it returns exit code 0.

[–] SpaceCadet@feddit.nl 48 points 8 months ago (2 children)

Depends. Is it GNU tar, BSD tar or some old school Unix tar?

Double hyphen "long options" are a typical GNU thing.

[–] paraphrand@lemmy.world 13 points 8 months ago (1 children)

That’s why those commands have two?

[–] SpaceCadet@feddit.nl 11 points 8 months ago

Yes, the terse Unix version, which needs to be supported for compatibility, and the more readable GNU long option

[–] MonkderZweite@feddit.ch 9 points 8 months ago (1 children)

tar -h?

[–] SpaceCadet@feddit.nl 35 points 8 months ago* (last edited 8 months ago) (2 children)

~# tar -h
tar: You must specify one of the '-Acdtrux', '--delete' or '--test-label' options
Try 'tar --help' or 'tar --usage' for more information.
***********************************************
WARNING: Self destruct sequence initiated
***********************************************

[–] MonkderZweite@feddit.ch 4 points 8 months ago* (last edited 8 months ago)

Ugh. Bsdtar:

-h (c and r modes only) Synonym for -L.

But it has --help too.

[–] gravitas_deficiency@sh.itjust.works 2 points 8 months ago* (last edited 8 months ago)

~# tar -h || tar --help