@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 is_pctext is_pcflag
);
@month = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
$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 $_[0] =~ /^[\x09\x20-\xA8\xE0-\xEF]+$/;
+}
+
+# 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 $_[0] =~ /^[\d]+$/;
+}