vzpid

#!/bin/bash
# Copyright (C) 2000-2005 SWsoft. All rights reserved.
#
# This file may be distributed under the terms of the Q Public License
# as defined by Trolltech AS of Norway and appearing in the file
# LICENSE.QPL included in the packaging of this file.
#
# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

veidmark='envID:'
namemark='Name:'

function usage()
{
	echo "Usage: vzpid [pid ...] [-h]"
}

function header()
{
	echo "Pid	VPSID	Name"
}

function getveid()
{
	local pid=$1

	[ -f /proc/${pid}/status ] || return
	cat /proc/${pid}/status | \
awk -v pid=${pid} 'BEGIN{veid=0} /^'${namemark}'|^'${veidmark}'/{
	if ($1 == "'${namemark}'") {
		name = $2;
	} else if ($1 == "'${veidmark}'") {
		veid = $2;
	}
}
END{
	printf("%d\t%s\t%s\n", pid, veid, name);
}'
}

pidlist=
if [ $# -eq 0 ]; then
	usage
	exit 1
elif [ $# -eq 1 -a "x$1" = "x-" ]; then
	while read pid; do
		pidlist="${pidlist} ${pid}"
	done
elif [ $# -eq 1 -a "x$1" = "x-h" ]; then
	usage
	exit 0
else
	pidlist=$*
fi
header
for i in ${pidlist}; do 
	getveid ${i}
done