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76 lines
1.7 KiB
76 lines
1.7 KiB
#!/bin/sh
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# Shell script compatibility wrapper for /sbin/logread
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#
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# Copyright (C) 2019 Dirk Brenken <dev@brenken.org>
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#
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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 of the License, or
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# (at your option) any later version.
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#
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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 GNU
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# General Public License for more details.
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#
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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logfile="/var/log/messages"
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if [ ! -f "${logfile}" ]
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then
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printf "%s\n" "Error: logfile not found!"
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exit 2
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fi
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usage()
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{
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printf "%s\n" "Usage: logread [options]"
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printf "%s\n" "Options:"
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printf "%5s %-10s%s\n" "-l" "<count>" "Got only the last 'count' messages"
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printf "%5s %-10s%s\n" "-e" "<pattern>" "Filter messages with a regexp"
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printf "%5s %-10s%s\n" "-f" "" "Follow log messages"
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printf "%5s %-10s%s\n" "-h" "" "Print this help message"
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}
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if [ -z "${1}" ]
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then
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cat "${logfile}"
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exit 0
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else
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while [ "${1}" ]
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do
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case "${1}" in
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-l)
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shift
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count="${1//[^0-9]/}"
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tail -n "${count:-50}" "${logfile}"
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exit 0
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;;
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-e)
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shift
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pattern="${1}"
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grep -E "${pattern}" "${logfile}"
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exit 0
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;;
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-f)
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tail -f "${logfile}"
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exit 0
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;;
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-fe)
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shift
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pattern="${1}"
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tail -f "${logfile}" | grep -E "${pattern}"
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exit 0
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;;
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-h|*)
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usage
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exit 1
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;;
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esac
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shift
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done
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fi
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