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Use of $@

From: Christof Warlich
Subject: Use of $@
Date: Tue, 21 Feb 2023 11:27:36 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1


just to improve my bash skills: The following functions prints the array
index of a value if found:

index() { local e="$1"; shift; local a=("$@"); for i in "${!a[@]}"; do
[[ ${a[$i]} != $e ]] || { echo $i; break; }; done; }

Thus, with e.g.: myarray=("a" "bc" "my value" "z")

I get:

$ index "my value" "${myarray[@]}"

as expected. The only thing that bothers me is that I couldn't get away
without the intermediate assignment of $@ to a new array (a): Is there
really no way to avoid that, i.e. directly using $@ in the for-loop?



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