@echo off
>"%temp%\tmpclip.vbs" echo Set Fso = CreateObject("Scripting.FileSystemObject")
>>"%temp%\tmpclip.vbs" echo Set aFile = Fso.OpenTextFile(WScript.Arguments(0), 1)
>>"%temp%\tmpclip.vbs" echo strCopy = aFile.ReadAll
>>"%temp%\tmpclip.vbs" echo Set objIE = CreateObject("InternetExplorer.Application")
>>"%temp%\tmpclip.vbs" echo objIE.Navigate("about:blank")
>>"%temp%\tmpclip.vbs" echo objIE.document.parentwindow.clipboardData.SetData "text", strCopy
>>"%temp%\tmpclip.vbs" echo objIE.Quit
cscript.exe //nologo "%temp%\tmpclip.vbs" "C:\test\a.txt"