24 lines
691 B
Bash
24 lines
691 B
Bash
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#!/bin/bash
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# Copyright 2019 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# This script accepts two parameters: a file name and a string.
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#
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# If the file does not exist, or does not contain the passed in string wrapped
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# in '/*... */, the file is written with the wrapped passed in string.
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h_file="$1"
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current_set="/* $2 */"
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if [[ -f "${h_file}" ]]; then
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old_set="$(cat "${h_file}")"
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if [[ "${current_set}" == "${old_set}" ]]; then
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exit 0
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fi
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else
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dest_dir="$(dirname "${h_file}")"
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[[ -d "${dest_dir}" ]] || mkdir -p "${dest_dir}"
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fi
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printf "${current_set}" > "${h_file}"
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