Much easier to do in VBScript with string manipulation. Try this:
'************************************************************************************************************************************
Set objShell = WScript.CreateObject("WScript.Shell")
Set objScriptExec = objShell.Exec("cmd.exe /c ipconfig /displaydns")
Do While Not objScriptExec.StdOut.AtEndOfStream
strOutput = objScriptExec.StdOut.ReadLine()
If InStr(strOutput, "CNAME") Then
myArray= Split(strOutput,".",-1)
WScript.Echo myArray(UBound(myArray)-1) & "." &
myArray(UBound(myArray)) & vbcrlf
End If
Loop
'************************************************************************************************************************************
Chris Bodnar, MCSE
Systems Engineer
Distributed Systems Service Delivery - Intel Services
Guardian Life Insurance Company of America
Email: [email protected]
Phone: 610-807-6459
Fax: 610-807-6003
From: "Derrenbacker, L. Jonathan" <[email protected]>
To: "NT System Admin Issues" <[email protected]>
Date: 03/12/2010 11:52 AM
Subject: Scripting Question - How to go backwards with tokens in
for loop?
I writing a quick script to show what domains are currently in a users dns
cache.
I only want the root domain itself, not anything past that.
So if I run this:
for /F "tokens=*" %%X in ('ipconfig /displaydns') DO echo %%X | find
"CNAME Record" >> list.txt
for /F "tokens=8" %%X in ('type list.txt') DO echo %%X >> list2.txt
list2.txt contains output like this:
map-pb.quantserve.com.akadns.net
techtalkz.com
www-google-analytics.l.google.com
etc, etc, etc
How would I strip out only the last 3 tokens so that I would end up with:
akadns.net
techtalkz.com
google.com
Thanks in advance,
Jon
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