+our $VERSION = "0.01 - 20181213";
+our $CMD = $0 =~ s{.*/}{}r;
+
+sub usage {
+ my $err = shift and select STDERR;
+ say "usage: $CMD [-l] [-w] [-F] [-v[#]] pattern";
+ say " -w --word Word-anchored matches";
+ say " -l --list List matched filenames only";
+ say " -F --fixed Fixed pattern (quotemeta regex)";
+ say " -v [#] --verbose[=#] Verbosity";
+ exit $err;
+ } # usage
+