X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXUtil.pm;fp=perl%2FDXUtil.pm;h=b7c455198fd35633bb5214d585f85697e5a54823;hb=102b51ca564ef29e7f84d2cf65d0eaa5fdab671a;hp=551a61921213ec00b90ab8a29738929bb0d647ce;hpb=f11237c455a6440b5158206dcb2d03850ed1b7b0;p=spider.git

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 551a6192..b7c45519 100644
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -27,7 +27,7 @@ require Exporter;
              print_all_fields cltounix unpad is_callsign is_latlong
 			 is_qra is_freq is_digits is_pctext is_pcflag insertitem deleteitem
 			 is_prefix dd is_ipaddr $pi $d2r $r2d localdata localdata_mv
-			 diffms _diffms
+			 diffms _diffms difft parraydifft
             );
 
 
@@ -522,3 +522,42 @@ sub diffms
 	$s .= " $no lines" if $no;
 	DXDebug::dbg($s);
 }
+
+# expects either an array reference or two times (in the correct order [start, end])
+sub difft
+{
+	my $b = shift;
+	my $t;
+	if (ref $b eq 'ARRAY') {
+		$t = $b->[1] - $b->[0];
+	} else {
+		$t = shift() - $b;
+	}
+	return '-(ve)' if $t < 0;
+	my ($d,$h,$m,$s);
+	my $out = '';
+	$d = int $t / 86400;
+	$out .= "${d}d" if $d;
+	$t -= $d * 86400;
+	$h = int $t / 3600;
+	$out .= "${h}h" if $h || $d;
+	$t -= $h * 3600;
+	$m = int $t / 60;
+	$out .= "${m}m" if $m || $h || $d;
+	$s = int $t % 60;
+	$out .= "${s}s";
+	return $out;
+}
+
+# print an array ref of difft refs
+sub parraydifft
+{
+	my $r = shift;
+	my $out = '';
+	for (@$r) {
+		my $s = $_->[2] ? "($_->[2])" : '';
+		$out .= sprintf "%s=%s$s, ", atime($_->[0]), difft($_->[0], $_->[1]);
+	}
+	$out =~ s/,\s*$//;
+	return $out;
+}