Index: trunk/ippTools/src/pstamptool.c
===================================================================
--- trunk/ippTools/src/pstamptool.c	(revision 28295)
+++ trunk/ippTools/src/pstamptool.c	(revision 28297)
@@ -558,4 +558,6 @@
     PXOPT_COPY_S32(config->args, where, "-fault",      "fault", "==");
     PXOPT_COPY_STR(config->args, where, "-state",      "state", "==");
+    PXOPT_COPY_TIME(config->args, where, "-timestamp_begin", "timestamp", ">=");
+    PXOPT_COPY_TIME(config->args, where, "-timestamp_end", "timestamp", "<=");
     pxAddLabelSearchArgs(config, where, "-label",      "pstampRequest.label", "LIKE");
     if (!psListLength(where->list)) {
Index: trunk/ippTools/src/pstamptoolConfig.c
===================================================================
--- trunk/ippTools/src/pstamptoolConfig.c	(revision 28295)
+++ trunk/ippTools/src/pstamptoolConfig.c	(revision 28297)
@@ -103,4 +103,6 @@
     psMetadataAddStr(updatereqArgs, PS_LIST_TAIL, "-state", 0,        "search by state", NULL);
     psMetadataAddStr(updatereqArgs, PS_LIST_TAIL, "-label", PS_META_DUPLICATE_OK, "search by pstampJob label (LIKE comparision)", NULL);
+    psMetadataAddTime(updatereqArgs, PS_LIST_TAIL, "-timestamp_begin", 0, "search by timestamp (>=)", NULL);
+    psMetadataAddTime(updatereqArgs, PS_LIST_TAIL, "-timestamp_end", 0, "search by timestamp (<=)", NULL);
     psMetadataAddStr(updatereqArgs, PS_LIST_TAIL, "-set_state", 0,        "new state", NULL);
     psMetadataAddStr(updatereqArgs, PS_LIST_TAIL, "-set_label", 0,        "new label", NULL);