tests/od/od-j.sh

   1 #!/bin/sh
   2 # Verify that 'od -j N' skips N bytes of input.
   3
   4 # Copyright 2014-2024 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_ od
  21
  22 for file in ${srcdir=.}/tests/init.sh /proc/version /sys/kernel/profiling; do
  23   test -r $file || continue
  24
  25   cp -f $file copy &&
  26   bytes=$(wc -c < copy) || framework_failure_
  27
  28   od -An $file > exp || fail=1
  29   od -An -j $bytes $file $file > out || fail=1
  30   compare exp out || fail=1
  31
  32   od -An -j 4096 copy copy > exp1 2> experr1; expstatus=$?
  33   od -An -j 4096 $file $file > out1 2> err1; status=$?
  34   test $status -eq $expstatus || fail=1
  35   compare exp1 out1 || fail=1
  36   compare experr1 err1 || fail=1
  37 done
  38
  39 Exit $fail