-I takes an argument. Without this change only a 1 is added to @opt_include which is not helpful.
Unified · Split
| @@ -19,7 +19,7 @@ my $opt_graph; · 18 unmodified lines | ||
| 19 | 19 | version => \&version, |
| 20 | 20 | |
| 21 | 21 | all => \$opt_all, |
| 22 | − I => \@opt_include, | |
| 22 | + "I=s" => \@opt_include, | |
| 23 | 23 | graph => \$opt_graph, |
| 24 | 24 | ); |
| 25 | 25 | |