Also if the file is 500Mb, probably a text editor isn't the best choice of app to work with it. That said it is often the most convenient. But a 'non loading' t

Also if the file is 500Mb, probably a text editor isn't the best choice of app to work with it. That said it is often the most convenient. But a 'non loading' text editor would be interesting for this. E.g. it doesn't show the file, but you can still do find in file etc. operations. Maybe basically a thin UI around grep etc.