add_lic();
flush STDOUT or die $!;
-my $cmd = "$usvg - -c";
+my $cmd = "$usvg";
+
+open OPTS, "src/USVG_DEFAULT_ARGS.txt" or die $!;
+while (<OPTS>) {
+ s/^\s*$//; s/\s*$//;
+ next unless m/^[^#]/;
+ $cmd .= " '$_'";
+}
+
+$cmd .= " - -c";
+
my $cmd_m = "$cmd <$in >$out.tmp";
print STDERR "+ $cmd_m\n";