Now let's talk about when you are going to make a new file. Ho hum, $ ed /tmp/x /tmp/x: No such file or directory a bla . wq 4 $
Everything worked fine. But how about $ ed /tmp/www/eee/ddd/x /tmp/www/eee/ddd/x: No such file or directory a bla . wq /tmp/www/eee/ddd/x: No such file or directory ? We got the same initial warning, but we need another initial warning: "Parent directory doesn't exist." Otherwise we think we will be able to write when the time comes to do so, but will be alarmed when we can't.
