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#!/bin/sh -e
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######################################################################
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# ExtractCmd.sh
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#
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# Copyright (c) 2016, Russell Adams <Russell.Adams@AdamsSystems.nl>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# - Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# - Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the
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# distribution.
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#
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# - Neither the name of Russell Adams, Adams Systems Consultancy,
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# nor the names of its contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# ***** Requires GAWK to be installed. See below for details. *****
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#
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# This script uses awk to pull a command's output from an already
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# untarred IBM AIX snap file. The output is in a format suitable for
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# piping to grep for further analysis.
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#
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# For example:
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#
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# Place a series of untarred snap files in your working directory,
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# with each snap untarred into an individually named subdirectory,
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# like:
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#
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# ./host1.snap/
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# ./host2.snap/
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#
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# Then to lookup a common command like 'lsattr -El sys0' use:
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#
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# $ $PATH/ExtractCmd.sh 'lsattr -El sys0'
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#
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# This returns:
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#
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# host1.snap: .....
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# host1.snap: ..... bootinfo -K
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# host1.snap: .....
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# host1.snap:
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# host1.snap: 32
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# host1.snap:
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# host1.snap: .....
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# host2.snap: ..... bootinfo -K
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# host2.snap: .....
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# host2.snap:
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# host2.snap: 64
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# host2.snap:
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# host1.snap: .....
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# host3.snap: ..... bootinfo -K
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# host3.snap: .....
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# host3.snap:
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# host3.snap: 64
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# host3.snap:
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#
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# Regular expressions are used to locate the commands, so you can use
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# regexp to specify one command or a series of commands, like:
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#
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# Return all attributes on EVERY hdisk on the system, including
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# hdiskpower devices:
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#
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# lsattr -El hdisk
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#
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# Return only ent1 attributes, noting that ent1 could match ent10:
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#
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# lsattr -El ent1\$
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#
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# require a command
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[ -z "$1" ] && {
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echo "Specify a quoted command as the first parameter"
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exit -1
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}
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CMD="$1"
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# Each hostname.snap directory has subdirectories underneath with a .snap file in it
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# We search those only for command output
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for SNAP in *.snap ; do
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gawk "BEGIN {RS=\"\n\n.....\n\"} /${CMD}/ { print \"\n.....\n\" \$0 }" ${SNAP}/*/*.snap \
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| gawk "{printf \"%-20s %s\n\", \"${SNAP}:\", \$0 }"
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done
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