- usage() unless @ARGV == 2;
- $config{srcdir} = possibly_foolish_untaint(shift @ARGV);
- $config{destdir} = possibly_foolish_untaint(shift @ARGV);
- checkconfig();
+ if (@ARGV == 2) {
+ $config{srcdir} = possibly_foolish_untaint(shift @ARGV);
+ $config{destdir} = possibly_foolish_untaint(shift @ARGV);
+ checkconfig();
+ }
+ else {
+ usage() unless $config{dumpsetup};
+ }