#!/usr/bin/perl

$SIG{USR1} = \&searching_dialog;

system("echo $$ > /var/run/slideshow.pid");

while (1) {
    system ("/usr/bin/fbi -a -u -t 60 /mnt/hd/images/*");
}

sub searching_dialog {

    system ("killall fbi");
    system ("/usr/bin/fbi -a /usr/share/pleasewait.jpg");
    $SIG{USR1} = \&searching_dialog;
#    die;
}