prjxray/utils/maskmerge.sh

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#!/bin/bash
# Copyright (C) 2017-2020 The Project X-Ray Authors.
#
# Use of this source code is governed by a ISC-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
# SPDX-License-Identifier: ISC
outfile="$1"
shift
touch "$outfile"
mv "$outfile" "$outfile.tmp"
for infile; do
echo "Reading mask bits from $infile."
grep ^bit "$infile" | sort -u >> "$outfile.tmp"
done
sort -u < "$outfile.tmp" > "$outfile"
rm -f "$outfile.tmp"