Index: trunk/ippTools/src/stacktool.c
===================================================================
--- trunk/ippTools/src/stacktool.c	(revision 27009)
+++ trunk/ippTools/src/stacktool.c	(revision 27119)
@@ -124,4 +124,5 @@
 
     // select based on properties of the raw exposures
+    PXOPT_COPY_STR(config->args,  where, "-select_comment",            "rawExp.comment", "==");
     PXOPT_COPY_STR(config->args,  where, "-select_inst",               "rawExp.camera", "==");
     PXOPT_COPY_STR(config->args,  where, "-select_telescope",          "rawExp.telescope", "==");