fixed iscallsign!

[spider.git] / perl / DXUtil.pm

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 1291db3943ff07b75dd1fcd99377d35a6482b342..c4abc15bef7021d76c2352f55278350f02b3e3c9 100644 (file)
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -15,7 +15,7 @@ require Exporter;
 @ISA = qw(Exporter);
 @EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf 
                         parray parraypairs shellregex
-             print_all_fields cltounix 
+             print_all_fields cltounix iscallsign
             );
 
 @month = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
@@ -182,5 +182,14 @@ sub shellregex
 {
        my $in = shift;
        $in =~ s{(.)} { $patmap{$1} || "\Q$1" }ge;
-       return '^' . $in . '$';
+       return '^' . $in . "\$";
+}
+
+# start an attempt at determining whether this string might be a callsign
+sub iscallsign
+{
+       my $call = shift;
+       return 1 if $call =~ /^\w+\d+/;
+       return 1 if $call =~ /^\d+\w+/;
+       return undef;
 }