tests/du/apparent.sh

   1 #!/bin/sh
   2 # Exercise du's --apparent-size option.
   3
   4 # Copyright 2023-2024 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
  20 print_ver_ du
  21
  22 mkdir -p d || framework_failure_
  23 for f in $(seq 100); do
  24   echo foo >d/$f || framework_failure_
  25 done
  26
  27 du -b d/* >separate || fail=1
  28 du -b d   >together || fail=1
  29 separate_sum=$($AWK '{sum+=$1}END{print sum}' separate) || framework_failure_
  30 together_sum=$($AWK '{sum+=$1}END{print sum}' together) || framework_failure_
  31 test $separate_sum -eq $together_sum || fail=1
  32
  33 Exit $fail