15 lines
450 B
Bash
15 lines
450 B
Bash
# shellcheck shell=bash
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# isDeclaredArray
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# Tests if inputArrayRef refers to a declared, indexed array.
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#
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# Arguments:
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# - inputArrayRef: a reference to an indexed array (not mutated)
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#
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# Returns 0 if the indexed array is declared, 1 otherwise.
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isDeclaredArray() {
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# NOTE: We must dereference the name ref to get the type of the underlying variable.
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# shellcheck disable=SC2034
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local -nr inputArrayRef="$1" && [[ ${!inputArrayRef@a} =~ a ]]
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}
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