tests/tail-2/tail-c.sh

   1 #!/bin/sh
   2 # exercise tail -c
   3
   4 # Copyright 2014-2017 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 <http://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ tail
  21
  22 # Make sure it works on funny files in /proc and /sys.
  23
  24 for file in /proc/version /sys/kernel/profiling; do
  25   if test -r $file; then
  26     cp -f $file copy &&
  27     tail -c -1 copy > exp1 || framework_failure_
  28
  29     tail -c -1 $file > out1 || fail=1
  30     compare exp1 out1 || fail=1
  31   fi
  32 done
  33
  34 Exit $fail