Uptime program?

Shows how to append instead of overwrite, and also add a date/time stamp for each line.

Dim filesys, logtimes 
Set filesys = CreateObject("Scripting.FileSystemObject") 
Const fsoForAppend = 8
Set  logtimes= filesys.OpenTextFile("c:\Documents and Settings\grace\Desktop\uptime.txt", fsoForAppend, True) 
 
 
Dim strComputer
strComputer = "."
 
Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")
Set colOperatingSystems = objWMIService.ExecQuery _
("Select * From Win32_PerfFormattedData_PerfOS_System")
 
For Each objOS in colOperatingSystems
    intSystemUptime = Int(objOS.SystemUpTime)
    logtimes.WriteLine intSystemUptime & " seconds at " & Now()
Next
logtimes.close
Set logtimes = Nothing
Set filesys = Nothing

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Thanks for your response.
It keeps logging uptime even when my laptop goes into sleep mode. Is there a way around this?

Yeah, I could see that would be a problem.

I can think of a way to do this in .NET but I can't think of a robust way to handle it with VBScript.  In .NET it's possible to capture the events for sleep mode.

About the best I could think of is to have two scripts.  One that you run when you startup and one that you run when you shut down.

'Startup.vbs
Dim filesys, logtimes 
Set filesys = CreateObject("Scripting.FileSystemObject") 
Const fsoForAppend = 8
Set  logtimes= filesys.OpenTextFile("c:\Documents and Settings\grace\Desktop\uptime.txt", fsoForAppend, True) 
 
 
 
logtimes.WriteLine "Startup " & Now()
 
logtimes.close
Set logtimes = Nothing
Set filesys = Nothing
 
'Shutdown.vbs
Dim filesys, readtime, logtime
Set filesys = CreateObject("Scripting.FileSystemObject") 
Const fsoForAppend = 8
Const fsoForReading = 1 
 
Set  readtime= filesys.OpenTextFile("c:\Documents and Settings\grace\Desktop\uptime.txt", fsoForReading, True) 
 
 
 
Dim strLine
Dim dtStartup 
 
Do While readtime.AtEndOfStream = False
    'Find last line in file
    strLine = readtime.ReadLine
Loop
readtime.Close
Set readtime = Nothing
 
If Not strLine = "" Then
    If Instr(strLine, "Startup ") Then
        dtStartup = CDate(Mid(strLine, 9))
    End If
End If
 
If IsEmpty(dtStartup) Then  'Check if last line contained a startup time
    Msgbox("Startup Time not found in file.  Check if the last line in the file is a start up time")
Else
    Set logtime = filesys.OpenTextFile("c:\Documents and Settings\grace\Desktop\uptime.txt", fsoForAppend, True) 
    logtime.WriteLine DateDiff("s", dtStartup, Now()) & " at " & now
    logtime.Close
    Set logtime = Nothing
    
End If
 
Set filesys = Nothing

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I found 2 programs that might be able to help me. One of them is copied in a snippet below. AwakeScript.vbs just appends "Out of standby" with a timestamp  to uptime.txt. (It doesnt actually do it yet.. im getting an error(but ive posted it on another post so should have it right soon).




The other one for going into standby is as follows (unmodified from the way i found it)


Option Explicit

Dim wmiPowerManagementEvent, objProcess
Const cntEventEnteringSuspend = 4

Set wmiPowerManagementEvent = GetObject("winmgmts:").ExecNotificationQuery("Select * from Win32_PowerManagementEvent")
Do
   If wmiPowerManagementEvent.NextEvent.EventType = cntEventEnteringSuspend Then
      For Each objProcess in GetObject("winmgmts:").ExecQuery("select * from Win32_Process where name='ehshell.exe'")
        objProcess.Terminate(0)
        Next
   End If
Loop


Is it possible to make this second script run "Sleepnow.vbs" ( which appends "Into Standby" plus a timestamp to uptime.vbs instead of terminating whatever its doing?

PS Im able to manage Sleepnow.vbs:-)

Option Explicit
 
Dim wmiPowerManagementEvent, oShell
Const cntEventEnteringWakeup = 7
 
Set wmiPowerManagementEvent = GetObject("winmgmts:").ExecNotificationQuery("Select * from Win32_PowerManagementEvent")
Do
   If wmiPowerManagementEvent.NextEvent.EventType = cntEventEnteringWakeup Then
 set oShell=createobject("WScript.Shell")
 oShell.Run "C:\Documents and Settings\Grace\Desktop\AwakeScript.vbs"
   End If
Loop

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Thanks