-if (@ARGV != 2) {
- print STDERR "Usage: $0 target query\n";
- print STDERR " eg. $0 bagel.indexdata.dk/gils computer\n";
+if (@ARGV < 2 || @ARGV %2 == 1) {
+ print STDERR "Usage: $0 target query [<option> <value> ...]\n";
+ print STDERR " eg. $0 z3950.indexdata.dk/gils computer\n";