(dir 2>&1 *`|echo CMD);&<# rem #>echo PowerShell
(dir 2>&1 *`|echo CMD);&<# rem #>echo ($PSVersionTable).PSEdition
https://stackoverflow.com/questions/34471956/how-do-i-determine-if-im-in-powershell-or-cmd
(dir 2>&1 *`|echo CMD);&<# rem #>echo PowerShell
(dir 2>&1 *`|echo CMD);&<# rem #>echo ($PSVersionTable).PSEdition
https://stackoverflow.com/questions/34471956/how-do-i-determine-if-im-in-powershell-or-cmd