- 'usage' => sub { Usage },
- 'verbose' => sub { set_verbose },
- 'debug' => sub { set_debug },
- 'sleep=i' => \$sleep,
- 'bgdir=s' => \$imgDir,
+ 'usage' => sub { Usage },
+ 'verbose' => sub { set_verbose },
+ 'debug' => sub { set_debug },
+ 'sleep=i' => \$sleep,
+ 'bgdir=s' => \@imgDirs,