1#!/bin/sh
2# Exercise du's --apparent-size option.
3
4# Copyright 2023 Free Software Foundation, Inc.
5
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18
19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ du
21
22mkdir -p d || framework_failure_
23for f in $(seq 100); do
24  echo foo >d/$f || framework_failure_
25done
26
27du -b d/* >separate || fail=1
28du -b d   >together || fail=1
29separate_sum=$($AWK '{sum+=$1}END{print sum}' separate) || framework_failure_
30together_sum=$($AWK '{sum+=$1}END{print sum}' together) || framework_failure_
31test $separate_sum -eq $together_sum || fail=1
32
33Exit $fail
34