How to watch a directory in Linux and execute a script on new file/folder?

pasta_paul

I have a directory that gets movie files/folders added to it regularly. What I want to do is basically have something watch that directory, and when it detects a new file/folder, to execute a shell script that just copies it over to another location. I searched up and down the forums and what I found was basically that there are two main tools - entr and inotifywait , though entr can only be used on predetermined files, not new ones, as far as...

Originally asked by Mike on Stack Exchange (superuser) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

I would recommend using the Lsync daemon to achieve what you want. You can read up on it here . It basically watches a directory for any changes and then acts on those changes. Typically just copying files, via Rsync, from one location to another. On Red Hat/CentOS, for example, you would install it like this. First, enable the EPEL repository like this: sudo yum install epel-release Then install it like this: sudo yum install lsyncd Once installed, edit the configuration like this for the Red Hat/CentOS install: sudo nano /etc/lsyncd.conf Or this config for an Ubuntu/Debian install: sudo nano /etc/lsyncd/lsyncd.conf.lua And adjust to your needs: ---- -- User configuration file for lsyncd....

Full answer by Giacomo1968: https://superuser.stackexchange.com/a/1940206 (CC BY-SA 4.0).

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