X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXUtil.pm;h=0fb6b8dbb848cc3c9aaf669fb1987e780f726fac;hb=cdb2c0e3a1d778485f71d406a561b38ed5238dbc;hp=7be97ebf17a1972afb6c0c117c11c0ac91ebdc9a;hpb=19f68ea69f734f50b46fba21aab99315d5803e09;p=spider.git

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 7be97ebf..0fb6b8db 100644
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -16,7 +16,8 @@ require Exporter;
 @ISA = qw(Exporter);
 @EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf 
 			 parray parraypairs shellregex readfilestr writefilestr
-             print_all_fields cltounix iscallsign
+             print_all_fields cltounix iscallsign unpad is_callsign
+			 is_freq is_digits
             );
 
 @month = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
@@ -279,3 +280,42 @@ sub writefilestr
 		$fh->close;
 	}
 }
+
+# remove leading and trailing spaces from an input string
+sub unpad
+{
+	my $s = shift;
+	$s =~ s/\s+$//;
+	$s =~ s/^\s+//;
+	return $s;
+}
+
+# check that a field only has callsign characters in it
+sub is_callsign
+{
+	return $_[0] !~ /[^A-Z0-9\-]/;
+}
+
+# check that a PC protocol field is valid text
+sub is_pctext
+{
+	return $_[0] !~ /[^\x20-\xA8\xE0-\xEF]/;
+}
+
+# check that a PC prot flag is fairly valid (doesn't check the difference between 1/0 and */-)
+sub is_pcflag
+{
+	return $_[0] !~ /^[^01\*\-]$/;
+}
+
+# check that a thing is a frequency
+sub is_freq
+{
+	return $_[0] !~ /[^\d\.]/;
+}
+
+# check that a thing is just digits
+sub is_digits
+{
+	return $_[0] !~ /[^\d]/;
+}