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Simple and dumb file system watcher
Perl
Branch: master

0.12

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README.md use Milla
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README.md

NAME

Filesys::Notify::Simple - Simple and dumb file system watcher

SYNOPSIS

use Filesys::Notify::Simple;

my $watcher = Filesys::Notify::Simple->new([ "." ]);
$watcher->wait(sub {
    for my $event (@_) {
        $event->{path} # full path of the file updated
    }
});

DESCRIPTION

Filesys::Notify::Simple is a simple but unified interface to get notifications of changes to a given filesystem path. It utilizes inotify2 on Linux, fsevents on OS X, kqueue on FreeBSD and FindFirstChangeNotification on Windows if they're installed, with a fallback to the full directory scan if they're not available.

There are some limitations in this module. If you don't like it, use File::ChangeNotify.

  • There is no file name based filter. Do it in your own code.
  • You can not get types of events (created, updated, deleted).
  • Currently wait method blocks.

In return, this module doesn't depend on any non-core modules. Platform specific optimizations with Linux::Inotify2, Mac::FSEvents, Filesys::Notify::KQueue and Win32::ChangeNotify are truely optional.

NOTE: Using Win32::ChangeNotify may put additional limitations.

  • Win32::ChangeNotify uses FindFirstChangeNotificationA so that Unicode characters can not be handled. On cygwin (1.7 or later), Unicode characters should be able to be handled when Win32::ChangeNotify is not used.
  • If more than 64 directories are included under the specified paths, an error occurrs.

AUTHOR

Tatsuhiko Miyagawa miyagawa@bulknews.net

LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

File::ChangeNotify Mac::FSEvents Linux::Inotify2 Filesys::Notify::KQueue Win32::ChangeNotify

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