1. protect against PC41s with field[3] == field[2]

[spider.git] / perl / DXDebug.pm

diff --git a/perl/DXDebug.pm b/perl/DXDebug.pm
index 14f8dbd2a06ad753c559d3ed9c2cb56a52d8045b..40cb3a257e1128651683a59dfe6fe0830d3334e3 100644 (file)
--- a/perl/DXDebug.pm
+++ b/perl/DXDebug.pm
@@ -14,7 +14,7 @@ require Exporter;
 @EXPORT = qw(dbginit dbg dbgadd dbgsub dbglist dbgdump isdbg dbgclose confess croak cluck);
 
 use strict;
-use vars qw(%dbglevel $fp $callback);
+use vars qw(%dbglevel $fp $callback $cleandays $keepdays);
 
 use DXUtil;
 use DXLog ();
@@ -23,6 +23,8 @@ use Carp ();
 %dbglevel = ();
 $fp = undef;
 $callback = undef;
+$keepdays = 10;
+$cleandays = 100;
 
 # Avoid generating "subroutine redefined" warnings with the following
 # hack (from CGI::Carp):
@@ -160,6 +162,24 @@ sub longmess
        return Carp::longmess(@_);
 }
 
+# clean out old debug files, stop when you get a gap of more than a month
+sub dbgclean
+{
+       my $date = $fp->unixtoj($main::systime)->sub($keepdays+1);
+       my $i = 0;
+
+       while ($i < 31) {
+               my $fn = $fp->_genfn($date);
+               if (-e $fn) {
+                       unlink $fn;
+                       $i = 0;
+               } else {
+                       $i++;
+               }
+               $date = $date->sub(1);
+       }
+}
+
 1;
 __END__