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#!/bin/sh
# nohup -- run a command immume to hangups, with output to a non-tty
# Copyright (C) 1991 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 2, 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# Written by David MacKenzie <djm@gnu.ai.mit.edu>.
# Make sure we get GNU nice, if possible; also allow
# it to be somewhere else in PATH if not installed yet.
PATH=@bindir@:$PATH
if [ $# -eq 0 ]; then
echo "Usage: nohup command [arg...]" 2>&1
exit 1
fi
trap "" 1
oldmask=`umask`; umask 077
# Only redirect the output if the user didn't already do it.
if [ -t 1 ]; then
# If we cannot write to the current directory, use the home directory.
if cat /dev/null >> nohup.out; then
echo "nohup: appending output to \`nohup.out'" 2>&1
umask $oldmask
exec nice -5 "$@" >> nohup.out 2>&1
else
cat /dev/null >> $HOME/nohup.out
echo "nohup: appending output to \`$HOME/nohup.out'" 2>&1
umask $oldmask
exec nice -5 "$@" >> $HOME/nohup.out 2>&1
fi
else
umask $oldmask
exec nice -5 "$@"
fi
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