I don't know about efficient, but at least it sounds reliable. I'm at my wit's end with trying to figure out why KDE's Dolphin can't reliably watch a director

I don't know about efficient, but at least it sounds reliable. I'm at my wit's end with trying to figure out why KDE's Dolphin can't reliably watch a directory for new files, frequently (but not always) forcing me to F5 to see new files.