47 lines
1.5 KiB
Bash
Executable File
47 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# nohup -- run a command immume to hangups, with output to a non-tty
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# Copyright (C) 1991 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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# Written by David MacKenzie <djm@gnu.ai.mit.edu>.
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PATH=/bin/bin:$PATH
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if [ $# -eq 0 ]; then
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echo "Usage: nohup command [arg...]" 2>&1
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exit 1
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fi
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trap "" 1
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oldmask=`umask`; umask 077
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# Only redirect the output if the user didn't already do it.
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if [ -t 1 ]; then
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# If we cannot write to the current directory, use the home directory.
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if cat /dev/null >> nohup.out; then
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echo "nohup: appending output to \`nohup.out'" 2>&1
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umask $oldmask
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exec nice -5 "$@" >> nohup.out 2>&1
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else
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cat /dev/null >> $HOME/nohup.out
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echo "nohup: appending output to \`$HOME/nohup.out'" 2>&1
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umask $oldmask
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exec nice -5 "$@" >> $HOME/nohup.out 2>&1
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fi
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else
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umask $oldmask
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exec nice -5 "$@"
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fi
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