Using Powershell to get the information from Nexus series

Hello, There

i am using the powershell to get the OS Version info from the Nexus 3048 Device.

want to this line split into the variables and get only 6.0(2)U3(1) how can i do it. i am testing now.

kickstart: version 6.0(2)U3(1)

system:    version 6.0(2)U3(1)

============CODE BELOW============================

$f = @'
Cisco Nexus Operating System (NX-OS) Software

TAC support: http://www.cisco.com/tac

Documents: http://www.cisco.com/en/US/products/ps9372/tsd_products_support_serie5/24/2014s_home.html

Copyright (c) 2002-2014, Cisco Systems, Inc. All rights reserved.

The copyrights to certain works contained herein are owned by

other third parties and are used and distributed under license.

Some parts of this software are covered under the GNU Public

License. A copy of the license is available at

http://www.gnu.org/licenses/gpl.html.

Software

  BIOS:      version 1.2.0

  loader:    version N/A

  kickstart: version 6.0(2)U3(1)

  system:    version 6.0(2)U3(1)

  Power Sequencer Firmware:

             Module 1: version v4.4

  BIOS compile time:       08/25/2011

  kickstart image file is: bootflash:///n3000-uk9-kickstart.6.0.2.U3.1.bin

  kickstart compile time:  5/12/2014 2:00:00 [05/12/2014 10:39:24]

  system image file is:    bootflash:///n3000-uk9.6.0.2.U3.1.bin

  system compile time:     5/12/2014 2:00:00 [05/12/2014 12:27:06]

Hardware

  cisco Nexus 3048 Chassis ("48x1GE + 4x10G Supervisor")

  Intel(R) Celeron(R) CPU        P450 with 3785024 kB of memory.

  Processor Board ID FOC18070YCQ

  Device name: As_1.nx3048.krccn

  bootflash:    2007040 kB

Kernel uptime is 0 day(s), 6 hour(s), 55 minute(s), 24 second(s)

Last reset at 90718 usecs after  Mon May 19 03:58:17 2014

  Reason: Disruptive upgrade

  System version: 6.0(2)U3(1)

  Service:
'@

$output = $f -split ("`r`n")

       foreach ($line in $output) {
            switch -wildcard ($line)
            {
                #"*kickstart: version*" {$A = $line.Substring(21)}
                  "*kickstart: version*" {$A = $line.trim()}
      }

     switch -wildcard ($line)
            { 
                #"*system:    version*" {$B = $line.Substring(21)}
                "*system:    version*" {$B = $line.trim()}
     }
         }   

$A -split(" ")
$A[1]
break

======================RESULTS ARE==============

PS C:\nbp> .\140524_string_parse_test.ps1

kickstart:

version

6.0(2)U3(1)

i

PS C:\nbp>