Index: trunk/Ohana/src/opihi/cmd.astro/spec.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.astro/spec.c	(revision 4689)
+++ trunk/Ohana/src/opihi/cmd.astro/spec.c	(revision 7917)
@@ -34,10 +34,10 @@
   
   if (argc != 7) {
-    fprintf (stderr, "USAGE: spec buffer x y1 y2 X Y [-Nlong N] [-Ngap N] [-Nrow N]\n");
+    gprint (GP_ERR, "USAGE: spec buffer x y1 y2 X Y [-Nlong N] [-Ngap N] [-Nrow N]\n");
     return (FALSE);
   }
   
   if ((Nrow < 1) || (Nlong < 2) || (Ngap < 1) || (Nlong - Ngap < 2)) {
-    fprintf (stderr, "bad values for options\n");
+    gprint (GP_ERR, "bad values for options\n");
     return (FALSE);
   }
@@ -79,5 +79,5 @@
     }
     X1 = SX / S;
-    fprintf (stderr, "%4d %4d %5.1f ", j+y1, X1, sky);
+    gprint (GP_ERR, "%4d %4d %5.1f ", j+y1, X1, sky);
     /*    X1 = MAX (MIN (X1, Xo + 0.5+Ngap), Xo - 0.5+Ngap); */
     V = (float *) (buf[0].matrix.buffer) + Nx*(y1 + j) + X1 - (int)(0.5*Nlong);
@@ -105,5 +105,5 @@
     xvec[0].elements[j] = j + y1; 
     yvec[0].elements[j] = F / R; 
-    fprintf (stderr, " %5.1f %7.1f  %6.2f\n", sky, sky2, (F/R));
+    gprint (GP_ERR, " %5.1f %7.1f  %6.2f\n", sky, sky2, (F/R));
   }