misc: cleanup
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@ -605,7 +605,7 @@ blue
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```sh
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random_array_element() {
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# Usage: random_array_element "array"
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arr=("$@")
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local arr=("$@")
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printf '%s\n' "${arr[RANDOM % $#]}"
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}
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```
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@ -1570,7 +1570,9 @@ os="$_"
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I was surprised to find out `sleep` is an external command and isn't a
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built-in.
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**Example Funcrion:**
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**CAVEAT:** Requires `bash` 4+
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**Example Function:**
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```sh
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read_sleep() {
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