How do I write to standard error in PowerShell?

Use Write-Error to write to stderr. To redirect stderr to file use: Write-Error “oops” 2> /temp/err.msg or exe_that_writes_to_stderr.exe bogus_arg 2> /temp/err.msg Note that PowerShell writes errors as error records. If you want to avoid the verbose output of the error records, you could write out the error info yourself like so: PS> Write-Error “oops” -ev … Read more

How to perform keystroke inside powershell?

If I understand correctly, you want PowerShell to send the ENTER keystroke to some interactive application? $wshell = New-Object -ComObject wscript.shell; $wshell.AppActivate(‘title of the application window’) Sleep 1 $wshell.SendKeys(‘~’) If that interactive application is a PowerShell script, just use whatever is in the title bar of the PowerShell window as the argument to AppActivate (by … Read more