tests/tail-2/infloop-1

   1 #!/bin/sh
   2 # This test would fail with tail from pre-1.22i textutils.
   3
   4 # Copyright (C) 1999, 2002, 2006-2007 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 if test "$VERBOSE" = yes; then
  20   set -x
  21   tail --version
  22 fi
  23
  24 . $srcdir/../test-lib.sh
  25
  26 yes > t &
  27 yes_pid=$!
  28 while :; do
  29   test -s t && break
  30 done
  31 tail -n 1 t &
  32 tail_pid=$!
  33 kill $yes_pid
  34 sleep 1
  35
  36 fail=0
  37 kill $tail_pid && fail=1 || :
  38
  39 (exit $fail); exit $fail