--- a/apf	
+++ a/apf	
@@ -94,7 +94,7 @@ if ($command =~ /^(f|se)/i)
     {
       chomp;
       ($file, $package) = split /\t/;
-      next unless $file =~ /$pattern/;
+      next unless $file =~ /$pattern/i;
       # output each package name only once
       next if grep(/$package/, @pkglist);
       push @pkglist, $package;