this post was submitted on 27 Mar 2024
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There is a
$[]?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.
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.
As an old Perl jockey, you can pry my backticks out of my cold, dead hands.