Index: trunk/ippScripts/scripts/warp_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/warp_skycell.pl	(revision 31570)
+++ trunk/ippScripts/scripts/warp_skycell.pl	(revision 31941)
@@ -38,4 +38,6 @@
 
 my ($warp_id, $skycell_id, $warp_skyfile_id, $tess_dir, $reduction, $camera, $dbname, $outroot, $threads, $run_state, $magicked, $verbose, $no_update, $no_op, $redirect, $save_temps);
+my $zaplog = 0;
+
 GetOptions(
     'warp_id|i=s'         => \$warp_id, # Warp identifier
@@ -53,4 +55,5 @@
     'no-update'           => \$no_update, # Don't update the database?
     'no-op'               => \$no_op, # Don't do any operations?
+    'zaplog'              => \$zaplog, # delete previous logfile
     'redirect-output'     => \$redirect,
     'save-temps'          => \$save_temps, # Save temporary files?
@@ -74,5 +77,5 @@
 my $do_stats;
 if ($run_state eq 'new') {
-    $logDest = prepare_output("LOG.EXP", $outroot, $skycell_id, 0);
+    $logDest = prepare_output("LOG.EXP", $outroot, $skycell_id, $zaplog);
     $traceDest = prepare_output("TRACE.EXP", $outroot, $skycell_id, 1);
     $do_stats = 1;