Question

VB Script needed to Check FIle Date-->Ping Server-->Run Batch

Asked by: s_prusko

I have seen a number of Scripts which perform part of what I need, but I have not been able to find one that does it all.  I have a batch which often will not run for users operating remotely on VPN.  I don't want the audit itslef to run every hour, but I do want it to run once a day.
So I am looking to check the date modified of the local audit file then test whether the audit server is available to transmit the data.  Can this be done.

What I am looking for is a VB Script to do the following:
1a) Check date modified of a file before continuing; check every hour
1b) If file is older than 1 day from current date, goto next step; file < 1 day old loop
2a) If step 1 equaled Yes, then ping specific server by DNS name
2b) If there is a reply to ping  goto next step; if no reply to ping loop to Step 1
3a) If ping was successful, run batch file
3b) Loop

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Asked On
2009-10-06 at 12:27:49ID24790175
Tags

VBS

,

VB Script

,

Check File Date

,

Ping Server

,

Batch

,

Loop

Topics

Visual Basic Programming

,

VB Script

,

Windows Batch Scripting

Participating Experts
1
Points
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Comments
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Answers

 

by: Shift-3Posted on 2009-10-06 at 13:29:32ID: 25509595

Paste the script below into a text file with a .vbs extension.  Customize the value of the strAuditFile variable on line 3 with the location of the file to check the date of.  Customize the value of the strAuditScript variable on line 4 with the location of the batch script to run.  Customize the value of the strServerToPing variable on line 5 with the name of the server to ping.

Running the script will check the file's age, ping the server, and run the script if the conditions are met.  Once you have tested it successfully, set up a scheduled task to run it every hour.

On Error Resume Next
 
strAuditFile = "c:\file.txt"
strAuditScript = "c:\script.cmd"
strServerToPing = "servername"
 
Set objFSO = CreateObject("Scripting.FileSystemObject")
 
If Not objFSO.FileExists(strAuditFile) Then
    blnRun = True
Else
    Set objAuditFile = objFSO.GetFile(strAuditFile)
    
    If DateDiff("d", objAuditFile.DateLastModified, Now) > 0 Then
        blnRun = True
    End If
End If
 
If blnRun Then    
    If PingCheck(strServerToPing, 1, 500) Then
        Set objShell = CreateObject("Wscript.Shell")
        objShell.Exec strAuditScript
    End If
End If
            
Function PingCheck(strTarget, strPings, intPause)
    Const ForReading = 1
    
    Set objShell = CreateObject("WScript.Shell")
    strTempDir = objShell.ExpandEnvironmentStrings("%temp%")
 
    strTempFile = strTempDir & "\script-" & strTarget & ".txt"
 
    Set objFSO = CreateObject("Scripting.FileSystemObject")
    
    objShell.Run "%comspec% /c ping -n " & strPings & " -w 100 " & _
        strTarget & ">" & strTempFile, 0, True
        
    WScript.Sleep intPause
    
    objShell.Run "%comspec% /c ping -n " & strPings & " -w 100 " & _
        strTarget & ">>" & strTempFile, 0, True
    
    Set objTempFile = objFSO.OpenTextFile(strTempFile, ForReading)
    strOutput = objTempFile.ReadAll
    objTempFile.Close
    objFSO.DeleteFile strTempFile, True
 
    If InStr(strOutput, "bytes=32") > 0 Then
        PingCheck = True
    Else
        PingCheck = False
    End If
End Function

                                              
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by: s_pruskoPosted on 2009-10-06 at 14:26:23ID: 25510109

Thank for the quick response, Shift-3.
The script fired up but the Audit did not run.
I am trying this script on a a machine that has an audit file that is 5 days old.
Two variables I should have included but didn't:
1) The audit file for Line 3 is a hidden file on the local C: (I have hidden files shown in my view)
2) The batch file for Line 4 is located on the network; I entered \\Servername\Folder\file.bat between the quotes

 

by: Shift-3Posted on 2009-10-06 at 15:04:18ID: 25510406

Generally, batch scripts do not run correctly from UNC paths.  For testing purposes, try referencing the audit script from a drive letter path and see if it functions correctly.

You could also add something like WScript.Echo "run script" under line 20 to verify that the vbscript is trying to call the audit script.

 

by: s_pruskoPosted on 2009-10-12 at 09:34:49ID: 25552650

Moving the batch file called by the script from the UNC path to the local C: (because machines that will use this most will be working remotelyly and may or may not be on VPN yet) worked.
Thank you so much for your time and effort.

20120131-EE-VQP-002

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