Switch to %opts style getopts.

diff --git a/minc b/minc
index be4f334..8187a74 100755 (executable)
--- a/minc
+++ b/minc
@@ -79,21 +79,19 @@ my $dumpfilters = 0;
 our $run = 1;
 my $printfilenames = 0;
 
-our $opt_d;
-our $opt_n;
-our $opt_p;
+my %opts;
 
-if (not getopts('dnp')) {
+if (not getopts('dnp', \%opts)) {
     exit(2);
 }
 
-if ($opt_d) {
+if ($opts{'d'}) {
     $dumpfilters = 1;
-} elsif ($opt_n) {
+} elsif ($opts{'n'}) {
     $run = 0;
 }
 
-if ($opt_p) {
+if ($opts{'p'}) {
     $printfilenames = 1;
 }