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