--- ray/src/util/rcollate.c	2022/03/17 01:23:16	2.43
+++ ray/src/util/rcollate.c	2024/01/25 19:25:50	2.44
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: rcollate.c,v 2.43 2022/03/17 01:23:16 greg Exp $";
+static const char RCSid[] = "$Id: rcollate.c,v 2.44 2024/01/25 19:25:50 greg Exp $";
 #endif
 /*
  * Utility to re-order records in a binary or ASCII data file (matrix)
@@ -613,10 +613,13 @@ headline(char *s, void *p)
 	int		n;
 
 	if (formatval(fmt, s)) {
+		if (fmtid == fmt) return(0);
 		if (fmtid == NULL) {
 			fmtid = fmt;
 			return(0);
 		}
+		if ((comp_size == 1) & (n_comp > 1))
+			return(0);		/* byte exception - skip check */
 		if (!strcmp(fmt, fmtid))
 			return(0);
 		fprintf(stderr, "Input format '%s' != '%s'\n", fmt, fmtid);
@@ -641,6 +644,8 @@ headline(char *s, void *p)
 		return(0);
 	}
 	if (!strncmp(s, "NCOMP=", 6)) {
+		if ((comp_size == 1) & (n_comp > 1))
+			return(0);		/* byte exception - ignore */
 		n = atoi(s+6);
 		if ((n_comp > 0) & (n != n_comp)) {
 			fputs("Incorrect number of components\n", stderr);