Index: /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/RequestFile.pm
===================================================================
--- /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/RequestFile.pm	(revision 35363)
+++ /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/RequestFile.pm	(revision 35364)
@@ -167,5 +167,5 @@
     my $fields_output;
     {
-        my $command = "echo $request_file_name | $fields -x 0 EXTNAME EXTVER REQ_NAME ACTION USERNAME EMAIL";
+        my $command = "echo $request_file_name | $fields -x 0 EXTNAME EXTVER REQ_NAME ACTION EMAIL";
         my ( $success, $error_code, $full_buf, $stdout_buf, $stderr_buf ) =
             run(command => $command, verbose => $verbose);
@@ -187,16 +187,12 @@
     if ($extver > 1) {
         $header{ACTION} = $action;
-        $header{USER} = $username;
         $header{EMAIL} = $email;
     } else {
         $header{ACTION} = $action = "PROCESS";
-        $header{USERNAME} = 'null';
         $header{EMAIL} = 'null';
     }
 
-    if ($action eq "LIST") {
-        return (\%header, undef);
-    } elsif ($action ne "PROCESS") {
-        die "unexpected request ACTION found: $action in $request_file_name";
+    if ($action ne "PROCESS" and $action ne 'PREVIEW') {
+        die "\nunexpected request ACTION found: $action in $request_file_name";
     }
 
Index: /trunk/pstamp/scripts/pstamp_finish.pl
===================================================================
--- /trunk/pstamp/scripts/pstamp_finish.pl	(revision 35363)
+++ /trunk/pstamp/scripts/pstamp_finish.pl	(revision 35364)
@@ -107,7 +107,5 @@
     my ($header, $rows) = read_request_file($req_file);
 
-    my $action = $header->{ACTION};
-
-    if (!$header or (($action eq 'PROCESS') and !$rows)) {
+    if (!$header or !$rows) {
         # Since a request got queued, the request file must have been readable at some point 
         my_die("failed to read request file $req_file", $req_id, $PS_EXIT_CONFIG_ERROR);
@@ -128,5 +126,5 @@
 
     my $request_fault = 0;
-    if ($action eq 'PROCESS') {
+    {
         # The results table definition file
         my ($tdf, $table_def_name) = tempfile ("$outdir/tabledef.XXXX", UNLINK => !$save_temps);
@@ -273,8 +271,4 @@
             }
         }
-    } elsif ($action ne 'LIST') {
-        my_die("Unexpected action $action found", $req_id, $PS_EXIT_PROG_ERROR);
-    } else {
-        # pstampparse did all of the work
     }
 
Index: /trunk/pstamp/scripts/pstamp_parser_run.pl
===================================================================
--- /trunk/pstamp/scripts/pstamp_parser_run.pl	(revision 35363)
+++ /trunk/pstamp/scripts/pstamp_parser_run.pl	(revision 35364)
@@ -158,8 +158,10 @@
 my $request_fault = $PSTAMP_INVALID_REQUEST;
 
+my $action = 'PROCESS';
+
 if (-r $uri) {
     # run the appropriate parse command to parse the queue the jobs for this request
     # first check the extension header to find the EXTNAME
-    $request_type = find_request_type($uri);
+    $request_type = find_request_type($uri, \$action);
 
     if ($request_type) {
@@ -240,5 +242,11 @@
 
     if ($success) {
-        $newState = 'run';
+        if ($action eq 'PROCESS') {
+            $newState = 'run';
+        } elsif ($action eq 'PREVIEW') {
+            $newState = 'parsed';
+        } else {
+            print STDERR "WARNING Ignoring unexpected value for ACTION found in request header: $action\n";
+        }
     } else {
         $fault = $error_code >> 8;
@@ -275,9 +283,13 @@
     # find the EXTNAME in the input fits table
     my $file_name = shift;
-    my $out = `echo $file_name | fields -x 0 EXTNAME`;
+    my $r_action = shift;
+
+    my $out = `echo $file_name | fields -x 0 EXTNAME ACTION`;
 
     if ($out) {
         # output from fields is filename value
-        my ($dummy, $extname) = split " ", $out;
+        my ($dummy, $extname, $action) = split " ", $out;
+
+        $$r_action = $action if ($action);
 
         return $extname;
Index: /trunk/pstamp/scripts/pstampparse.pl
===================================================================
--- /trunk/pstamp/scripts/pstampparse.pl	(revision 35363)
+++ /trunk/pstamp/scripts/pstampparse.pl	(revision 35364)
@@ -411,4 +411,5 @@
 
     if ($action eq 'LIST') {
+        # LIST is not allowed by caller. Can't get here.
         return list_targets($rowList);
     }
@@ -516,5 +517,5 @@
     $row->{need_magic} = $need_magic;
 
-    $num_jobs += queueJobs($mode, \@rowList, $imageList);
+    $num_jobs += queueJobs($action, \@rowList, $imageList);
 
     # if a row slipped through with no jobs add a faulted one
@@ -538,5 +539,5 @@
     my $image = shift;
     my $need_magic = shift;
-    my $mode = shift;
+    my $action = shift;
 
     my $rownum = $row->{ROWNUM};
@@ -621,9 +622,9 @@
     write_params($output_base, $image);
 
-    my $newState = "run";
+    my $newState = $action eq 'PROCESS' ? "run" : "parsed";
     my $fault = 0;
     my $dep_id;
 
-    queueUpdatesIfNeeded($stage, $image, $option_mask, \$newState, \$fault, \$dep_id);
+    queueUpdatesIfNeeded($action, $stage, $image, $option_mask, \$newState, \$fault, \$dep_id);
 
     my $command = "$pstamptool -addjob  -req_id $req_id -job_type $row->{JOB_TYPE}"
@@ -654,5 +655,5 @@
 sub queueJobs
 {
-    my $mode = shift;
+    my $action = shift;
     my $rowList = shift;
     my $imageList = shift;
@@ -674,5 +675,5 @@
         my_die( "error: unexpected number of rows for get_image request: $n", $PS_EXIT_PROG_ERROR) if $n != 1;
 
-        $num_jobs = queueGetImageJobs($firstRow, $imageList, $stage, $need_magic, $mode);
+        $num_jobs = queueGetImageJobs($firstRow, $imageList, $stage, $need_magic, $action);
 
     } else {
@@ -702,5 +703,5 @@
                 my $row = $rowList->[$i];
 
-                $num_jobs += queueJobForImage($row, $stage, $image, $need_magic, $mode);
+                $num_jobs += queueJobForImage($row, $stage, $image, $need_magic, $action);
             }
         }
@@ -716,5 +717,5 @@
     my $stage = shift;
     my $need_magic = shift;
-    my $mode = shift;
+    my $action = shift;
 
     my $num_jobs = 0;
@@ -763,9 +764,9 @@
         write_params($output_base, $image);
 
-        my $newState = "run";
+        my $newState = $action eq 'PROCESS' ? "run" : "parsed";
         my $fault = 0;
         my $dep_id;
 
-        queueUpdatesIfNeeded($stage, $image, $option_mask, \$newState, \$fault, \$dep_id);
+        queueUpdatesIfNeeded($action, $stage, $image, $option_mask, \$newState, \$fault, \$dep_id);
 
         $num_jobs++;
@@ -909,5 +910,5 @@
 sub get_dependent 
 {
-    my ($r_jobState, $r_fault, $r_dep_id, $imagedb, $state, $stage, $stage_id, $component, $need_magic) = @_;
+    my ($action, $r_jobState, $r_fault, $r_dep_id, $imagedb, $state, $stage, $stage_id, $component, $need_magic) = @_;
 
     # chipRun's can be in full state if destreaking is necessary
@@ -928,4 +929,5 @@
     my $command = "$pstamptool -getdependent -stage $stage -stage_id $stage_id -imagedb $imagedb -component $component -outdir $outdir";
     $command .= " -need_magic" if $need_magic;
+    $command .= ' -hold' if $action eq 'PREVIEW';
 
     # compute rlabel for the run.
@@ -977,4 +979,5 @@
 
 sub queueUpdatesIfNeeded {
+    my $action = shift;
     my $stage = shift;
     my $image = shift;
@@ -1026,5 +1029,5 @@
                     # set up to queue an update run
                     my $require_magic = ($need_magic or $image->{magicked});
-                    get_dependent(\$$r_newState, \$$r_fault, $r_dep_id, $image->{imagedb}, 
+                    get_dependent($action, \$$r_newState, \$$r_fault, $r_dep_id, $image->{imagedb}, 
                         $run_state, $stage, $image->{stage_id}, $image->{component}, $require_magic );
                 }