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submitted 4 months ago by Pantherina@feddit.de to c/linuxmemes@lemmy.world

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[-] Andrew15_5@mander.xyz 22 points 4 months ago

There is a $[]?

[-] Morphit@feddit.uk 18 points 4 months ago

Huh, it's the same as $(( )) - arithmetic expansion.
I think it's deprecated and not in the bash manual, but it still seems to work.

[-] Andrew15_5@mander.xyz 18 points 4 months ago

It is? Weird. I know about deprecated backticks, but this... I guess it's so deprecated that very few people know about this. Now a bit more.

[-] lobsticle@lemmy.world 16 points 4 months ago

As an old Perl jockey, you can pry my backticks out of my cold, dead hands.

[-] comador@lemmy.world 6 points 4 months ago* (last edited 4 months ago)

Daily Linux user since Slackware 95, news to me too lol

[-] fmstrat@lemmy.nowsci.com 4 points 4 months ago

Same camp, and know bash very, very, well. Crazy how you can always learn.

[-] mitchty 1 points 4 months ago

Its deprecated kinda like `` should be $() https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xcu_chap02.html seach for arithmetic expansion or $[].

this post was submitted on 27 Mar 2024

787 points (98.5% liked)

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