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#!/bin/sh
# Show that wc's --total option works.
# Copyright (C) 2022-2023 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/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ wc
require_sparse_support_ # for 'truncate --size=$BIG'
getlimits_
printf '%s\n' '2' > 2b || framework_failure_
printf '%s\n' '2 words' > 2w || framework_failure_
returns_ 1 wc --total 2b 2w > out || fail=1
wc --total=never 2b 2w > out || fail=1
cat <<\EOF > exp || framework_failure_
1 1 2 2b
1 2 8 2w
EOF
compare exp out || fail=1
wc --total=only 2b 2w > out || fail=1
cat <<\EOF > exp || framework_failure_
2 3 10
EOF
compare exp out || fail=1
wc --total=always 2b > out || fail=1
test "$(wc -l < out)" = 2 || fail=1
if truncate -s 2E big; then
if test "$UINTMAX_MAX" = '18446744073709551615'; then
# Ensure overflow is diagnosed
returns_ 1 wc --total=only -c big big big big big big big big \
> out || fail=1
# Ensure total is saturated
printf '%s\n' "$UINTMAX_MAX" > exp || framework_failure_
compare exp out || fail=1
# Ensure overflow is ignored if totals not shown
wc --total=never -c big big big big big big big big || fail=1
fi
fi
Exit $fail
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