Index: trunk/ippTools/src/chiptool.c
===================================================================
--- trunk/ippTools/src/chiptool.c	(revision 26886)
+++ trunk/ippTools/src/chiptool.c	(revision 26908)
@@ -594,4 +594,5 @@
     PXOPT_COPY_STR(config->args, where, "-reduction", "chipRun.reduction", "==");
     pxAddLabelSearchArgs (config, where, "-label", "chipRun.label", "LIKE");
+    pxAddLabelSearchArgs (config, where, "-data_group", "chipRun.data_group", "LIKE");
     PXOPT_COPY_S64(config->args, where, "-magicked", "chipProcessedImfile.magicked", "==");
 
Index: trunk/ippTools/src/chiptoolConfig.c
===================================================================
--- trunk/ippTools/src/chiptoolConfig.c	(revision 26886)
+++ trunk/ippTools/src/chiptoolConfig.c	(revision 26908)
@@ -164,4 +164,5 @@
     psMetadataAddStr(processedimfileArgs,  PS_LIST_TAIL, "-reduction",          0, "search by reduction class", NULL);
     psMetadataAddStr(processedimfileArgs,  PS_LIST_TAIL, "-label",  PS_META_DUPLICATE_OK, "search by chipRun label (LIKE comparison)", NULL);
+    psMetadataAddStr(processedimfileArgs,  PS_LIST_TAIL, "-data_group",  PS_META_DUPLICATE_OK, "search by chipRun data_group (LIKE comparison)", NULL);
     pxmagicAddArguments(processedimfileArgs);