count lines of text in the opened internet window

A .bat/.cmd file does not have access to your Internet Explorer windows. That requires .Net code. Feasible with VBS or PowerShell, or .NET programming languages.

Okay.  Thanks for this information.  I do have powershell.  Do you know what the .Net code would be in order for me to get the line count?

Seems as if that is overly complicated still. I can't get PowerShell to tell which one is the "current openend Internet Explorer window". The best I can do is to show the line count of all URLs staring with FILE://:

(New-Object -COM Shell.Application).Windows() |
  where { $_.FullName -like '*\iexplore.exe' -and $_.LocationURL -like 'file:*'} |
  % { write-output ($_.LocationURL + ": " + ($_.Document.body.innerText -split "`r`n").count) }

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the above solution works wonderfully.  However, I am kind of new and am having a few issues still.

1st.  I copied the script above into notepad and saved the files as c:\counttext.ps1.  I programmed by button to launch this file and of course it just opens the text file.  I made sure "all files" was selected before saving it.

2nd.  The solution executes fine from the powershell.

So what am I missing to get my button to run the script and not open the text file?

Thanks.

First try if you can start this command:
    powershell -file C:\counttext.ps1
If that works, use that line for executing the PS code.

I can start the powershell -file c:\counttext.ps1.

I tried adding that line to the beginning of the code you gave and it still does not run.  I also created a counttext file with just that line and I still can't run it.