--- ray/src/px/pvalue.c	2024/09/11 23:21:01	2.44
+++ ray/src/px/pvalue.c	2025/06/03 21:31:51	2.46
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: pvalue.c,v 2.44 2024/09/11 23:21:01 greg Exp $";
+static const char RCSid[] = "$Id: pvalue.c,v 2.46 2025/06/03 21:31:51 greg Exp $";
 #endif
 /*
  *  pvalue.c - program to print pixel values.
@@ -44,8 +44,6 @@ int  rord[4];			/* reverse ordering */
 
 COLOR  exposure = WHTCOLOR;
 
-char  *progname;
-
 FILE  *fin;
 FILE  *fin2 = NULL, *fin3 = NULL;	/* for other color channels */
 
@@ -98,7 +96,7 @@ main(
 	double		d, expval = 1.0;
 	int		i;
 
-	progname = argv[0];
+	fixargv0(argv[0]);	/* sets global progname */
 	mybright = &rgb_bright; /* default */
 	picres.rt = PIXSTANDARD;
 
@@ -361,7 +359,9 @@ unkopt:
 		printargs(i, argv, stdout);
 		if ((expval < .99) | (expval > 1.01))
 			fputexpos(expval, stdout);
-		if (NCSAMP == 1) {
+		if (!header & (putprim != ALL)) {
+			NCSAMP = 1;		/* no header, so trust user */
+		} else if (NCSAMP == 1) {
 			if (putprim == ALL)
 				putprim = BRIGHT;
 		} else {