Install 1brew cask install powershell Run 1pwsh To update/upgrade later on: 1brew update 2brew cask upgrade powershell See https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell-core-on-macos?view=powershell-7

1get-content<filename>|%{$_.replace("`n","`r`n")}|out-file-filepath<newfilename>More explanation in https://sus42.wordpress.com/2013/01/21/unix2dos-using-powershell/