Erlang: create filewatcher

Question

I have to implement file watcher functionality in Erlang: There should be a process that list files if specific directory and do something, when files appear.

I take

Answer 1

I have written such a library, based on polling. (It would be nice to extend it to use inotify on platforms where this is supported.) It was originally meant to be used in EUnit, but I turned into a separate project instead. You can find it here:

https://github.com/richcarl/file_monitor