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What does event _ filename mean in inotify?
EVENT_NAMES are the names of the inotify events which occurred, separated by commas. event_filename is output only when the event occurred on a directory, and in this case the name of the file within the directory which caused this event is output. By default, any special characters in filenames are not escaped in any way.
When did inotify first appear in Linux Journal?
Linux has an efficient method for alerting user-space processes to changes impacting files of interest. The inotify Linux system calls were first discussed here in Linux Journal in a 2005 article by Robert Love who primarily addressed the behavior of the new features from the perspective of C.
When to use inotify to watch for new files?
A common application is testing for the arrival of new files. Since inotify must be given the name of an existing filesystem object to watch, the directory containing the new files is provided. A trigger of interest is also easy to provide—new files should be complete and ready for processing when the close_write trigger fires.
Which is an example of inotifywait in Linux?
This example watches the /tmp directory: $ inotifywait -m /tmp Setting up watches. Watches established. If another session on the system performs a few operations on the files in /tmp: those changes are immediately visible to the user running inotifywait:
What does event output in inotify look like?
The event output can be config- ured, but by default it consists of lines of the following form: watched_filename EVENT_NAMES event_filename watched_filename is the name of the file on which the event occurred. If the file is a directory, a trailing slash is output.
How is inotify used to monitor a directory?
The inotify API provides a mechanism for monitoring filesystem events. Inotify can be used to monitor individual files, or to monitor directories. When a directory is monitored, inotify will return events for the directory itself, and for files inside the directory.
Where can I find inotify events in Fedora?
If you find it missing, you can obtain it from Fedora’s EPEL repository , either by downloading the inotify RPM for manual installation or adding the EPEL repository to yum. Any user on the system who can launch a shell may register watches—no special privileges are required to use the interface. This example watches the /tmp directory: