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SC2199 appears to incorrectly error on e.g., "${@:2:1}" expansion of "$@" #3118

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iconoclasthero opened this issue Jan 9, 2025 · 0 comments

iconoclasthero commented Jan 9, 2025

For bugs

Rule Id SC2199
online
I tried on shellcheck.net and verified that this is still a problem on the latest commit

the error message:

[ "${@:2:1}" ]] && printf '               %s\n' "${@:2}"
   ^-- [SC2199](https://www.shellcheck.net/wiki/SC2199) (error): Arrays implicitly concatenate in [[ ]]. Use a loop (or explicit * instead of @).

Appears to miss the fact that this is a single value and there's no concatenation possible, i.e., because of the special case of "$@".

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