Solution 1:
You don't say which Unix you're using, but Linux has inotify and there are inotify-tools and incron.
There is a Ruby interface to inotify.
Automatically run a command every time a file is changed
Solution 1:
You don't say which Unix you're using, but Linux has inotify and there are inotify-tools and incron.
There is a Ruby interface to inotify.