script.pl:

  opendir(DIR, $MyApp::Conf::SUBMITROOT) or die "Can't read dir: $!";
  foreach (grep /^\d+(?:-\d+)?\.\d+$|^[\-\w]+\.\d+(?:\.jpg)?$|^set\.\d+(?:-\d+)?\.\d+\.jpg$/, readdir DIR) {
    $h = {};
    $h->{File} = $_;
    if (/^(\d+(?:-\d+)?)\.(\d+)$/) {
      ...
    } elsif (/^set\.(\d+(-\d+)?).(\d+)\.jpg$/) { # this is the case we're hitting
      $h->{Set} = $1;
      $h->{Set} .= "-1" unless $2;
      $h->{Timestamp} = $3;
      $h->{Pic} = 1;
      my $curpic = $db->GetSetPictures({SetID => $h->{Set}, PicID => 0});
      $h->{New} = not keys %$curpic;
    } else {
      warn "Unknown file: $_";
      next;
    }

----

in the $db object:

sub GetSetPictures {
  my $self = shift;
  my ($param) = @_;

  croak "Bad params" unless exists $param->{SetID};

  $param->{Self} = "/inv/sets/$param->{SetID}" unless exists $param->{Self};

  my ($setinfo) = $self->GetSetInfo({Set => $param->{SetID}});

...

sub GetSetInfo {
  my $self = shift;
  my ($param) = @_;

  my %where;
  if (exists $param->{Set}) {
    if ($param->{Set} eq '*') {
     ...
    } else {
      if ($param->{Set} =~ /-\d/) {
        $where{ID} = $param->{Set};  # this is our case in all 3 iterations
      } else {
        ...
      }
    }
  } else {
    ...
  }

  my @res = MyApp::Sets->search_where(%where);  # Class::DBI object with the AbstractSearch plugin
  ...