Index: trunk/ippTools/src/warptool.c
===================================================================
--- trunk/ippTools/src/warptool.c	(revision 27985)
+++ trunk/ippTools/src/warptool.c	(revision 28001)
@@ -248,4 +248,6 @@
     PXOPT_COPY_F64(config->args,   where, "-posang_max",         "rawExp.posang",         "<");
     PXOPT_COPY_STR(config->args,   where, "-object",             "rawExp.object",         "==");
+    PXOPT_COPY_STR(config->args,   where, "-comment",            "rawExp.comment",        "LIKE");
+    PXOPT_COPY_STR(config->args,   where, "-obs_mode",           "rawExp.obs_mode",       "LIKE");
     PXOPT_COPY_F32(config->args,   where, "-sun_angle_min",      "rawExp.sun_angle",      ">=");
     PXOPT_COPY_F32(config->args,   where, "-sun_angle_max",      "rawExp.sun_angle",      "<");
@@ -273,4 +275,5 @@
     PXOPT_LOOKUP_TIME(registered, config->args, "-registered", false, false);
     PXOPT_LOOKUP_BOOL(simple, config->args, "-simple", false);
+    PXOPT_LOOKUP_BOOL(pretend, config->args, "-pretend", false);
 
     // check mode
@@ -310,4 +313,15 @@
     if (!psArrayLength(output)) {
         psTrace("warptool", PS_LOG_INFO, "no rows found");
+        psFree(output);
+        return true;
+    }
+
+    if (pretend) {
+        // negative simple so the default is true
+        if (!ippdbPrintMetadatas(stdout, output, "rawExp", !simple)) {
+            psError(PS_ERR_UNKNOWN, false, "failed to print array");
+            psFree(output);
+            return false;
+        }
         psFree(output);
         return true;
Index: trunk/ippTools/src/warptoolConfig.c
===================================================================
--- trunk/ippTools/src/warptoolConfig.c	(revision 27985)
+++ trunk/ippTools/src/warptoolConfig.c	(revision 28001)
@@ -89,6 +89,8 @@
     psMetadataAddF64(definebyqueryArgs, PS_LIST_TAIL, "-posang_max",         0, "search by max rotator position angle", NAN);
     psMetadataAddStr(definebyqueryArgs, PS_LIST_TAIL, "-object",             0, "search by exposure object", NULL);
-    psMetadataAddF32(definebyqueryArgs, PS_LIST_TAIL, "-sun_angle_min",         0, "search by min solar angle", NAN);
-    psMetadataAddF32(definebyqueryArgs, PS_LIST_TAIL, "-sun_angle_max",         0, "search by max solar angle", NAN);
+    psMetadataAddStr(definebyqueryArgs, PS_LIST_TAIL, "-comment",            0, "search by comment field (LIKE comparison)", NULL);
+    psMetadataAddStr(definebyqueryArgs, PS_LIST_TAIL, "-obs_mode",           0, "search by observation mode", NULL);
+    psMetadataAddF32(definebyqueryArgs, PS_LIST_TAIL, "-sun_angle_min",      0, "search by min solar angle", NAN);
+    psMetadataAddF32(definebyqueryArgs, PS_LIST_TAIL, "-sun_angle_max",      0, "search by max solar angle", NAN);
     psMetadataAddStr(definebyqueryArgs, PS_LIST_TAIL, "-reduction",          0, "search by fakeRun reduction class", NULL);
     psMetadataAddStr(definebyqueryArgs, PS_LIST_TAIL, "-label", PS_META_DUPLICATE_OK, "search on fakeRun label", NULL);
@@ -106,4 +108,5 @@
     psMetadataAddTime(definebyqueryArgs, PS_LIST_TAIL, "-registered",  0,            "time detrend run was registered", now);
     psMetadataAddBool(definebyqueryArgs, PS_LIST_TAIL, "-simple",  0,            "use the simple output format", false);
+    psMetadataAddBool(definebyqueryArgs, PS_LIST_TAIL, "-pretend",  0,            "do not actually modify the database", false);
 
     // -definerun