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45 lines
1.2 KiB
Bash
45 lines
1.2 KiB
Bash
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#!/bin/sh
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# Replace $LINENO on the fly.
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# Copyright (C) 2023 Free Software Foundation, Inc.
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#
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# This file is part of the GNU simulators.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Since $LINENO is not reliable in shells/subshells, generate it on the fly.
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if [ $# -lt 2 ]; then
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cat <<EOF >&2
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Usage: $0 <script> <tempfile> [script args]
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Rewrite the $LINENO usage in <script> with the line number. The temp script is
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written to <tempfile>, and then removed when done.
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EOF
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exit 1
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fi
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input=$1
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shift
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output=$1
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shift
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${AWK:-awk} '{
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gsub("[$]LINENO", NR + 1)
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gsub("\"[$]0\"", "\"" FILENAME "\"")
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print
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}' "${input}" >"${output}"
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${SHELL} "${output}" "$@"
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rm -f "${output}"
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