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submitted 4 days ago by shark_byte@lemmy.zip to c/programmer_humor@programming.dev

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ahh

~$ which cat

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[-] dan@upvote.au 13 points 3 days ago* (last edited 3 days ago)

Admittedly I still use cat for this.

This also works too, but it's more verbose:

echo "$(<foo.txt)"

It's mentioned in the Bash man pages:

The command substitution $(cat file) can be replaced by the equivalent but faster $(< file).

EDIT: I was just informed that simply <foo.txt works too.

[-] not_IO 5 points 3 days ago

how in the world is this not a useless use of echo and equivalent to <foo.txt

[-] dan@upvote.au 5 points 3 days ago

OK, TIL you can just do <foo.txt. I didn't think that worked. Thanks!

[-] not_IO 1 points 18 hours ago

i don't think you can but idk why that's by I'm asking

this post was submitted on 03 Aug 2026

424 points (100.0% liked)

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