22 lines
911 B
Bash
22 lines
911 B
Bash
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#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2020 Pi-hole, LLC (https://pi-hole.net)
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# Network-wide ad blocking via your own hardware.
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#
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# Controller for all pihole scripts and functions.
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#
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# This file is copyright under the latest version of the EUPL.
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# Please see LICENSE file for your rights under this license.
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# Ensure there is a newline at the end of the file passed as argument
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ensure_newline() {
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# Check if the last line of the passed file is empty, if not, append a newline
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# to the file to ensure we can append new content safely using echo "" >>
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# later on
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[ -n "$(tail -c1 "${1}")" ] && printf '\n' >> "${1}"
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# There was also the suggestion of using a sed-magic call here, however, this
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# had the drawback to updating all the file timestamps whenever the sed was
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# run. This solution only updates the timestamp when actually appending a
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# newline
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}
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