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36 lines
1.1 KiB
Bash
36 lines
1.1 KiB
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) 2017 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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# Script to hold utility functions for use in other scripts
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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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# Basic Housekeeping rules
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# - Functions must be self contained
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# - Functions must be added in alphabetical order
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# - Functions must be documented
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# - New functions must have a test added for them in test/test_any_utils.py
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#######################
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# Takes three arguments key, value, and file.
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# Checks the target file for the existence of the key
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# - If it exists, it changes the value
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# - If it does not exist, it adds the value
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#
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# Example usage:
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# addOrEditKeyValuePair "BLOCKING_ENABLED" "true" "/etc/pihole/setupVars.conf"
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#######################
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addOrEditKeyValPair() {
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local key="${1}"
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local value="${2}"
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local file="${3}"
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if grep -q "^${key}=" "${file}"; then
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sed -i "/^${key}=/c\\${key}=${value}" "${file}"
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else
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echo "${key}=${value}" >> "${file}"
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fi
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}
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