Index: /trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c
===================================================================
--- /trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c	(revision 39332)
+++ /trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c	(revision 39333)
@@ -329,4 +329,6 @@
   converged = FALSE;
   iterations = 0;
+  sigma_hat = 0.0;
+
   do {
     if (VERBOSE == 2) {
Index: /trunk/Ohana/src/opihi/lib.shell/ListOps.c
===================================================================
--- /trunk/Ohana/src/opihi/lib.shell/ListOps.c	(revision 39332)
+++ /trunk/Ohana/src/opihi/lib.shell/ListOps.c	(revision 39333)
@@ -214,4 +214,5 @@
       if (!strcmp (temp, "-glob")) goto escape;
       if (!strcmp (temp, "-split")) goto escape;
+      if (!strcmp (temp, "-join")) goto escape;
       if (!strcmp (temp, "-splitbychar")) goto escape;
       if (!strcmp (temp, "-copy")) goto escape;