27 lines
967 B
Bash
Executable File
27 lines
967 B
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (C) 2015 Luke Shumaker
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# SPDX-License-Identifier: AGPL-3.0-or-later
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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 Affero 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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outfile=$1
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tmpfile="$(dirname "$outfile")/.tmp.${outfile##*/}.tmp"
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cat > "$tmpfile" || exit $?
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if cmp -s "$tmpfile" "$outfile"; then
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rm -f "$tmpfile" || :
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else
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mv -f "$tmpfile" "$outfile"
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fi
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