#!/bin/sh # ensure that :|tail -f doesn't hang, per POSIX # Copyright (C) 2009-2010 Free Software Foundation, Inc. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . if test "$VERBOSE" = yes; then set -x tail --version fi . $srcdir/test-lib.sh echo foo | timeout 10 tail -f -c3 > out || fail=1 echo oo > exp || fail=1 compare out exp || fail=1 Exit $fail