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rc/sh/is_empty

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#!/usr/bin/env bash
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# YES_ZSH
# YES_BASH
# NO_DASH
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# NO_ASH
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is_empty() { ### @-
### return 0 if the directory given by argument is empty.
while read -r f; do
[ ! -d "$f" ] && [ -s "$f" ] && return 1
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done < <(find ${1:-.})
# TODO: done < <(find ${1:-.} -type f -print -quit)
# this needs to skip empty files as well.
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return 0
}
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[ -n "${preload+-}" ] || is_empty "$@"