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#!/bin/sh
# Demonstrate using a combination of --reference and --date to
# set the time of a file back by an arbitrary amount.
# Copyright (C) 2004-2020 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ touch
TZ=UTC0 touch --date='2004-01-16 12:00 +0000' f || framework_failure_
# Set times back by 5 days.
touch --ref f --date='-5 days' f || fail=1
TZ=UTC0 ls -og --time-style=+%Y-%m-%d f > out.1 || fail=1
sed 's/ f$//;s/.* //' out.1 > out
cat <<\EOF > exp || framework_failure_
2004-01-11
EOF
compare exp out || fail=1
Exit $fail
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