tests/tail-2/pipe-f

   1 #!/bin/sh
   2 # ensure that :|tail -f doesn't hang, per POSIX
   3
   4 # Copyright (C) 2009-2011 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=.}/init.sh"; path_prepend_ ../src
  20 print_ver_ tail
  21
  22 echo foo | timeout 10 tail -f -c3 > out || fail=1
  23 echo oo > exp || fail=1
  24
  25 compare exp out || fail=1
  26
  27 Exit $fail