-if (!getopts('t:a', \%opts) || @ARGV != 1) {
- print STDERR qq[Usage: $0 [options] <IRSpy-database>
- -t <t1 t2 ...> Space-separated list of targets to check
- -a Check all targets registered in database
-];
+if (!getopts('t:', \%opts) || @ARGV < 1) {
+ print STDERR "\
+Usage $0: [options] <IRSpy-database> [<target> ...]
+If no targets are specified, all targets in DB are tested.
+ -t <test> Run the specified <test> [default: all tests]
+";