SlackBuildsOrg/perl/perl-Gtk2-Unique
..
perl-Gtk2-Unique.info
perl-Gtk2-Unique.SlackBuild
README
slack-desc

Gtk2::Unique is a Perl binding for the C library libunique which
provides a way for writing single instance application. If you
launch a single instance application twice, the second instance will
either just quit or will send a message to the running instance.