X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXProt.pm;h=4940c9102116050b86eae9604fafc732b34d849b;hb=f11237c455a6440b5158206dcb2d03850ed1b7b0;hp=25d5501fef9a5342c647f8a42f2c51d0eca5ac90;hpb=e62a4067ee11c99ab0949f6a10fef9a24944095a;p=spider.git

diff --git a/perl/DXProt.pm b/perl/DXProt.pm
index 25d5501f..4940c910 100644
--- a/perl/DXProt.pm
+++ b/perl/DXProt.pm
@@ -1234,8 +1234,8 @@ sub spawn_cmd
 			 sub {
 				 my $subpro = shift;
 				 if (isdbg('progress')) {
-					 my $s = "line: $line";
-					 $s .= ", args: " . join(', ', @$args) if $args && @$args;
+					 my $s = qq{line: "$line"};
+					 $s .= ", args: " . join(', ', map { defined $_ ? qq{'$_'} : q{'undef'} } @$args) if $args && @$args;
 					 dbg($s);
 				 }
 				 eval { @out = $cmdref->(@$args); };