[转载]Scripting Techniques

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Adding Elements to a Dictionary


Demonstration scrīpt that adds three key-item pairs to a scrīpt Runtime Dictionary. scrīpt must be run on the local computer.
Set ōbjDictionary = CreateObject("scrīpting.Dictionary")
objDictionary.Add "Printer 1", "Printing"   
objDictionary.Add "Printer 2", "Offline"
objDictionary.Add "Printer 3", "Printing"

Creating an Instance of Internet Explorer


Demonstration scrīpt that creates an instance of Internet Explorer, opened to a blank page.
Set ōbjExplorer = Wscrīpt.CreateObject("InternetExplorer.Application")
objExplorer.Navigate "about:blank"   
objExplorer.ToolBar = 0
objExplorer.StatusBar = 0
objExplorer.Width=300
objExplorer.Height = 150 
objExplorer.Left = 0
objExplorer.Top = 0
objExplorer.Visible = 1

Creating scrīpt Documentation Using scrīpt Comments


Demonstrates the use of the FileSystemObject as a way to copy comments from a scrīpt to a separate text file. Requires comments to have been marked using '*.
Const ForReading = 1
Const ForWriting = 2
Set ōbjFSO = CreateObject("scrīpting.FileSystemObject")
Set ōbjscrīptFile = objFSO.OpenTextFile("c:\scrīpts\Service_Monitor.vbs", _
    ForReading)
Set ōbjCommentFile = objFSO.OpenTextFile("c:\scrīpts\Comments.txt", _ 
    ForWriting, TRUE)
Do While objscrīptFile.AtEndOfStream <> TRUE
    strCurrentLine = objscrīptFile.ReadLine
    intIsComment = Instr(1,strCurrentLine,"'*")
    If intIsComment > 0 Then
        objCommentFile.Write strCurrentLine & VbCrLf
    End If
Loop
objscrīptFile.Close
objCommentFile.Close

Determining the Number of Items in a Dictionary


Demonstration scrīpt that counts the number of key-item pairs in a scrīpt Runtime Dictionary. scrīpt must be run on the local computer.
Set ōbjDictionary = CreateObject("scrīpting.Dictionary")
objDictionary.Add "Printer 1", "Printing"   
objDictionary.Add "Printer 2", "Offline"
objDictionary.Add "Printer 3", "Printing"
Wscrīpt.Echo objDictionary.Count

Displaying Real Time Events in a Command Window


Creates a temporary event consumer that monitors the event log for error events. When an error event occurs, the scrīpt displays the event information in the command window.
strComputer = "."
Set ōbjWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate,(Security)}!\\" & _
        strComputer & "\root\cimv2")
Set colMonitoredEvents = objWMIService.ExecNotificationQuery _
    ("Select * from __InstanceCreationEvent within 5 where TargetInstance isa " _
        & "'Win32_NTLogEvent' and TargetInstance.EventType = '1'")
Do
    Set ōbjLatestEvent = colMonitoredEvents.NextEvent
        Wscrīpt.Echo "Record No.: " & _
            objLatestEvent.TargetInstance.RecordNumber
        Wscrīpt.Echo "Event ID: " & objLatestEvent.TargetInstance.EventCode
        Wscrīpt.Echo "Time: " & objLatestEvent.TargetInstance.TimeWritten
        Wscrīpt.Echo "Source: " & objLatestEvent.TargetInstance.SourceName
        Wscrīpt.Echo "Category: " & _
            objLatestEvent.TargetInstance.CategoryString
        Wscrīpt.Echo "Event Type: " & objLatestEvent.TargetInstance.Type
        Wscrīpt.Echo "Computer: " & _
            objLatestEvent.TargetInstance.ComputerName
        Wscrīpt.Echo "User: " & objLatestEvent.TargetInstance.User
        Wscrīpt.echo "Text: " & objLatestEvent.TargetInstance.Message
Loop

Displaying Tabular Output in a Command Window


Retrieves service data from a computer, and then outputs that data in tabular format in a command window.
Set colServices = GetObject("winmgmts:"). _
    ExecQuery("Select * from Win32_Service")
For Each objService in colServices
    intPadding = 50 - Len(objService.DisplayName)
    intPadding2 = 17 - Len(objService.StartMode)
    strDisplayName = objService.DisplayName & Space(intPadding)
    strStartMode = objService.StartMode & Space(intPadding2)
    Wscrīpt.Echo strDisplayName & strStartMode & objService.State 
Next

Masking Command Line Passwords


Demonstration scrīpt that uses scrīptPW.dll to mask passwords entered at the command line.
Set ōbjPassword = CreateObject("scrīptPW.Password") 
Wscrīpt.StdOut.Write "Please enter your password:" 
strPassword = objPassword.GetPassword() 
Wscrīpt.Echo
Wscrīpt.Echo "Your password is: " & strPassword

Masking Passwords Using Internet Explorer


Demonstration scrīpt that creates an instance of Internet Explorer, and retrieves a password typed into a password-style text box. Requires a Web page named password.htm with the appropriate text box.
Set ōbjExplorer = Wscrīpt.CreateObject _
    ("InternetExplorer.Application", "IE_")
objExplorer.Navigate "file:///c:\scrīpts\password.htm"   
objExplorer.Visible = 1             
objExplorer.ToolBar = 0
objExplorer.StatusBar = 0
objExplorer.Width=400
objExplorer.Height = 250 
objExplorer.Left = 0
objExplorer.Top = 0
Do While (objExplorer.Document.Body.All.OKClicked.Value = "")
    Wscrīpt.Sleep 250                 
Loop 
strPassword = objExplorer.Document.Body.All.PasswordBox.Value
objExplorer.Quit
Wscrīpt.Sleep 250
Wscrīpt.Echo strPassword

Removing All Elements from a Dictionary


Demonstration scrīpt that deletes all the key-item pairs from a scrīpt Runtime Dictionary. scrīpt must be run on the local computer.
Set ōbjDictionary = CreateObject("scrīpting.Dictionary")
objDictionary.Add "Printer 1", "Printing"   
objDictionary.Add "Printer 2", "Offline"
objDictionary.Add "Printer 3", "Printing"
colKeys = objDictionary.Keys
Wscrīpt.Echo "First run: "
For Each strKey in colKeys
    Wscrīpt.Echo strKey
Next
objDictionary.RemoveAll
colKeys = objDictionary.Keys
Wscrīpt.Echo VbCrLf & "Second run: "
For Each strKey in colKeys
    Wscrīpt.Echo strKey
Next

Removing Debugging Comments


Demonstrates the use of the FileSystemObject as a way to remove debugging comments from a scrīpt. Requires comments to have been marked as '* BUG.
Const ForReading = 1
Const ForWriting = 2
Set ōbjFSO = CreateObject("scrīpting.FileSystemObject")
Set ōbjTextFile = objFSO.OpenTextFile("C:\scrīpts\CreateUser.vbs", ForReading)
 
Do While objTextFile.AtEndOfStream <> true
    strNextLine = objTextFile.Readline
    intCheckForBugComment = Instr(strNextLine, "'* BUG")
    If intCheckForBugComment = 0 Then
        strSavedLines = strSavedLines & strNextLine & VbCrLf
    End If
Loop
 
Set ōbjTextFile = objFSO.OpenTextFile _
    ("c:\scrīpts\CreateUser.vbs ", ForWriting)
objTextFile.Write strSavedLines 
objTextFile.Close

Removing One Element from a Dictionary


Demonstration scrīpt that deletes a specific key-item pair from a scrīpt Runtime Dictionary. scrīpt must be run on the local computer.
Set ōbjDictionary = CreateObject("scrīpting.Dictionary")
objDictionary.Add "Printer 1", "Printing"   
objDictionary.Add "Printer 2", "Offline"
objDictionary.Add "Printer 3", "Printing"
colKeys = objDictionary.Keys
Wscrīpt.Echo "First run: "
 
For Each strKey in colKeys
    Wscrīpt.Echo strKey
Next
 
objDictionary.Remove("Printer 2")
colKeys = objDictionary.Keys
Wscrīpt.Echo VbCrLf & "Second run: "
 
For Each strKey in colKeys
    Wscrīpt.Echo strKey
Next

Retrieving Command Line Arguments from an Active Directory Container


Demonstration scrīpt that retrieves the names of all the computers in an Active Directory container, and then returns service information from each of those computers.
Set ōbjDictionary = CreateObject("scrīpting.Dictionary")
i = 0
Set ōbjOU = GetObject("LDAP://CN=Computers, DC=fabrikam, DC=com")
objOU.Filter = Array("Computer")
For Each objComputer in objOU 
    objDictionary.Add i, objComputer.CN
    i = i + 1
Next
For Each objItem in objDictionary
    Set colServices = GetObject("winmgmts://" & _
        objDictionary.Item(objItem) _
            & "").ExecQuery("Select * from Win32_Service")
    Wscrīpt.Echo colServices.Count
Next

Retrieving Command Line Arguments from a Text File


Demonstration scrīpt that opens a hypothetical text file consisting of server names, then retrieves service information from each on the servers in the file.
Const ForReading = 1
Set ōbjDictionary = CreateObject("scrīpting.Dictionary")
Set ōbjFSO = CreateObject("scrīpting.FileSystemObject")
Set ōbjTextFile = objFSO.OpenTextFile("c:\scrīpts\servers.txt", ForReading)
i = 0
Do Until objTextFile.AtEndOfStream 
    strNextLine = objTextFile.Readline
    objDictionary.Add i, strNextLine
    i = i + 1
Loop
For Each objItem in objDictionary
    Set colServices = GetObject("winmgmts://" & _
        objDictionary.Item(objItem) _
            & "").ExecQuery("Select * from Win32_Service")
    Wscrīpt.Echo colServices.Count
Next

Retrieving a Web Page


Retrieves the HTML source for the Web page http://www.microsoft.com. This scrīpt contributed by Maxim Stepin of Microsoft.
url="http://www.microsoft.com"
Set ōbjHTTP = CreateObject("MSXML2.XMLHTTP")
Call objHTTP.Open("GET", url, FALSE)
objHTTP.Send
Wscrīpt.Echo(objHTTP.ResponseText)

Saving Data in XML Format


Demonstration scrīpt that retrieves service information for a computer, and then saves that data as an XML file.
Const ForAppending = 2
Set ōbjFSO = CreateObject("scrīpting.FileSystemObject")
Set ōbjTextFile = objFSO.OpenTextFile _
    ("c:\scrīpts\service_status.xml", ForAppending, True)
objTextFile.WriteLine ""
objTextFile.Write ""
objTextFile.WriteLine ""
strComputer = "."
Set colServices = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2"). _
        ExecQuery("Select * from Win32_Service")
For Each objService in colServices    
    objTextFile.WriteLine ""
    objTextFile.WriteLine ""
    objTextFile.WriteLine objService.DisplayName
    objTextFile.WriteLine ""
    objTextFile.WriteLine ""
    objTextFile.WriteLine objService.State
    objTextFile.WriteLine ""
    objTextFile.WriteLine ""
Next
objTextFile.WriteLine ""
objTextFile.Close

Sorting WMI Data


Demonstration scrīpt showing how WMI data can be sorted using a disconnected recordset (by itself, WMI does not allow you to specify a sort order for returned data). In this scrīpt, service information is retrieved using WMI and is stored in a disconnected recordset, a recordset that is not tied to a physical data source. The Sort method is then used to sort the service data by service state rather than by service name.
Const adVarChar = 200
Const MaxCharacters = 255
 
Set DataList = CreateObject("ADOR.Recordset")
DataList.Fields.Append "ServiceName", adVarChar, MaxCharacters
DataList.Fields.Append "ServiceState", adVarChar, MaxCharacters
DataList.Open
 
strComputer = "."
Set ōbjWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")
Set ServiceList = objWMIService.ExecQuery _
    ("Select * from Win32_Service")
 
For Each Service in ServiceList
    DataList.AddNew
    DataList("ServiceName") = Service.Name
    DataList("ServiceState") = Service.State
    DataList.Update
Next
 
DataList.Sort = "ServiceState"
DataList.MoveFirst
 
Do Until DataList.EOF
    Wscrīpt.Echo DataList.Fields.Item("ServiceName") _
        & vbTab & DataList.Fields.Item("ServiceState")
    DataList.MoveNext
Loop

Suppressing Multiple Event Notifications


Issues an alert if available space on a disk drive falls below 100 megabytes. Will wait one hour before issuing the next alert.
dtmStartTime = Now
strComputer = "."
Set ōbjWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set ōbjDiskDrives = objWMIService.ExecQuery _
    ("Select * from Win32_LogicalDisk")
For Each objDrive in objDiskDrives
    If objDrive.FreeSpace < 10000000 Then
        Wscrīpt.Echo "Drive is low on disk space."
    End If
Next
Do
Set ōbjDiskDrives = objWMIService.ExecQuery _
    ("Select * from Win32_LogicalDisk")
For Each objDrive in objDiskDrives
    If objDrive.FreeSpace < 10000000 Then
        intElapsedHours = DateDiff("h", dtmStartTime, Now)
            If intElapsedHours >= 1 Then
                Wscrīpt.Echo "Drive is low on disk space." 
            dtmStartTime = Now
        End If  
    End If
Next
Wscrīpt.Sleep 1000
Loop

Tracking scrīpt Progress in a Command Window


Demonstrates the use of StdOut as a method for indicating the progress being made by a scrīpt.
Wscrīpt.Echo "Processing information. This might take several minutes."
strComputer = "."
Set colServices = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2"). _
    ExecQuery("Select * from Win32_Service")
For Each objService in colServices
    Wscrīpt.StdOut.Write(".")
Next
Wscrīpt.StdOut.WriteLine
Wscrīpt.Echo "Service information processed."

Tracking scrīpt Progress Using Internet Explorer


Demonstrates how to use Internet Explorer as a method for indicating the progress being made by a scrīpt.
Set ōbjExplorer = Wscrīpt.CreateObject("InternetExplorer.Application")
objExplorer.Navigate "about:blank"   
objExplorer.ToolBar = 0
objExplorer.StatusBar = 0
objExplorer.Width=400
objExplorer.Height = 200 
objExplorer.Left = 0
objExplorer.Top = 0
Do While (objExplorer.Busy)
    Wscrīpt.Sleep 200
Loop    
objExplorer.Visible = 1             
objExplorer.Document.Body.InnerHTML = "Retrieving service information. " _
    & "This might take several minutes to complete."
strComputer = "."
Set colServices = GetObject("winmgmts: \\" & strComputer & "\root\cimv2"). _
    ExecQuery("Select * from Win32_Service")
For Each objService in colServices
    Wscrīpt.Sleep 200
Next
objExplorer.Document.Body.InnerHTML = "Service information retrieved."
Wscrīpt.Sleep 3000
Wscrīpt.Quit

Using a Text File as a Command Line Argument


Demonstration scrīpt that allows you to drag a text file (consisting of server names) onto the scrīpt icon in Windows Explorer. The scrīpt then opens the text file, then retrieves service information from each on the servers in the file.
Set ōbjArgs = Wscrīpt.Arguments
Const ForReading = 1
Set ōbjDictionary = CreateObject("scrīpting.Dictionary")
Set ōbjFSO = CreateObject("scrīpting.FileSystemObject")
Set ōbjTextFile = objFSO.OpenTextFile(objArgs(0), ForReading)
i = 0
 
Do While objTextFile.AtEndOfStream <> True
  strNextLine = objTextFile.Readline
  objDictionary.Add i, strNextLine
  i = i + 1
Loop
 
For Each objItem in objDictionary
  Set colServices = GetObject("winmgmts://" & objDictionary.Item(objItem) _
      & "").ExecQuery("Select * from Win32_Service")
  Wscrīpt.Echo colServices.Count
Next

Verifying the Existence of a Dictionary Key


Demonstration scrīpt that verifies the existence of a particular key within a scrīpt Runtime Dictionary. scrīpt must be run on the local computer.
Set ōbjDictionary = CreateObject("scrīpting.Dictionary")
objDictionary.Add "Printer 1", "Printing"   
objDictionary.Add "Printer 2", "Offline"
objDictionary.Add "Printer 3", "Printing"
If objDictionary.Exists("Printer 4") Then
    Wscrīpt.Echo "Printer 4 is in the Dictionary."
Else
    Wscrīpt.Echo "Printer 4 is not in the Dictionary."
End If

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