#!/bin/bash
# BEGIN_ICS_COPYRIGHT8 ****************************************
#
# Copyright (c) 2015, Intel Corporation
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Intel Corporation nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# END_ICS_COPYRIGHT8 ****************************************
# [ICS VERSION STRING: unknown]
Usage()
{
echo "Usage: opasorthosts < hostlist > mpi_hosts" >&2
echo " or" >&2
echo " opasorthosts --help" >&2
echo " --help - produce full help text" >&2
echo "Sort the hostlist alphabetically (case insensitively) then numerically" >&2
echo "hostnames may end in a numeric field which may optionally have leading zeros" >&2
echo "example input:">&2
echo " osd04" >&2
echo " osd1" >&2
echo " compute20" >&2
echo " compute3" >&2
echo " mgmt1" >&2
echo " mgmt2" >&2
echo " login" >&2
echo "resulting output:">&2
echo " compute3" >&2
echo " compute20" >&2
echo " login" >&2
echo " mgmt1" >&2
echo " mgmt2" >&2
echo " osd1" >&2
echo " osd04" >&2
exit 2
}
if [ $# -ne 0 ]
then
Usage
fi
# use Cntr-C as a temporary delimiter since it should never appear in a name
# sort first by the alphanumeric 1st part of name,
# then by any purely numeric last part
sed -e 's/\([0-9]*\)$/\1/'|sort --ignore-case -k1,1 -k2,2n -t ''|sed -e 's///'