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Watcher is a daemon that watches specified files/folders for changes and fires commands in response to those changes. It is similar to incron, however, configuration uses a simpler to read ini file instead of a plain text file. Unlike incron it can also recursively monitor directories. It's also written in Python, making it easier to hack.

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About Watcher

Watcher is a daemon that watches specified files/folders for changes and fires commands in response to those changes. It is similar to incron, however, configuration uses a simpler to read ini file instead of a plain text file. Unlike incron it can also recursively monitor directories.

It's written in Python, making it easier to hack.

Requirements

This fork is updated for Python 3 to run on Ubuntu 22.04 and similar. Watcher uses the pyinotify library.

In Ubuntu (and Debian) you can install it with:

sudo apt-get install python3-pyinotify

Configuration

See the provided watcher.ini file for an example job configuration. The config file should reside in /etc/watcher.ini or ~/.watcher.ini. You can also specify the path to the config file as a command line parameter using the --config option.

If you edit the ini file you must restart the daemon for it to reload the configuration.

Starting the Daemon

Make sure watcher.py is marked as executable:

chmod +x watcher.py

Start the daemon with:

./watcher.py start

Stop it with:

./watcher.py stop

Restart it with:

./watcher.py restart

Debug it with: (log output to console)

./watcher.py debug

If you don't want the daemon to fork to the background, start it with

./watcher.py debug

About

Watcher is a daemon that watches specified files/folders for changes and fires commands in response to those changes. It is similar to incron, however, configuration uses a simpler to read ini file instead of a plain text file. Unlike incron it can also recursively monitor directories. It's also written in Python, making it easier to hack.

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