X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXUtil.pm;h=ed714fe82c11b0862ef8d7051b4349e1e66f81d6;hb=fa9e414f691e4e9a80c80eb54cb7b1e971976b22;hp=2c814ea33d834cbe5001eede20eecc0755059695;hpb=2177bb0e95a5ec8797f5a0d47bd2070666a92653;p=spider.git

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 2c814ea3..ed714fe8 100644
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -10,6 +10,7 @@ package DXUtil;
 
 use Date::Parse;
 use IO::File;
+use File::Copy;
 use Data::Dumper;
 
 use strict;
@@ -26,6 +27,7 @@ require Exporter;
 @ISA = qw(Exporter);
 @EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf 
 			 parray parraypairs phex shellregex readfilestr writefilestr
+			 filecopy
              print_all_fields cltounix unpad is_callsign is_latlong
 			 is_qra is_freq is_digits is_pctext is_pcflag insertitem deleteitem
             );
@@ -321,6 +323,11 @@ sub writefilestr
 	}
 }
 
+sub filecopy
+{
+	copy(@_) or return $!;
+}
+
 # remove leading and trailing spaces from an input string
 sub unpad
 {
@@ -333,13 +340,14 @@ sub unpad
 # check that a field only has callsign characters in it
 sub is_callsign
 {
-	return $_[0] =~ /^(?:[A-Z]{1,2}\d+|\d[A-Z]\d+)[A-Z]+(?:-\d{1,2}|\/[A-Z0-9]+)?$/;
+	return $_[0] =~ /^(?:[A-Z]{1,2}\d+|\d[A-Z]\d+)[A-Z]{1,3}(?:-\d{1,2}|\/(?:[A-Z]{1,2}\d{0,2}|\d[A-Z]\d{0,2}))?$/;
 }
 
 # check that a PC protocol field is valid text
 sub is_pctext
 {
-	return $_[0] =~ /^[\x09\x20-\xFF]+$/;
+	return undef if $_[0] =~ /[\x00-\x08\x0a-\x1f\xf0-\xff]/;
+	return $_[0];
 }
 
 # check that a PC prot flag is fairly valid (doesn't check the difference between 1/0 and */-)
@@ -351,7 +359,7 @@ sub is_pcflag
 # check that a thing is a frequency
 sub is_freq
 {
-	return $_[0] =~ /^[\d\.]+$/;
+	return $_[0] =~ /^\d+(?:\.\d+)?$/;
 }
 
 # check that a thing is just digits