--- ray/src/px/pcomb.c	1989/07/11 18:05:05	1.4
+++ ray/src/px/pcomb.c	1989/09/14 09:20:38	1.6
@@ -18,7 +18,7 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #include "calcomp.h"
 
-#define MAXINP		16		/* maximum number of input files */
+#define MAXINP		32		/* maximum number of input files */
 
 struct {
 	char	*name;		/* file name */
@@ -121,15 +121,15 @@ getfiles:
 			input[nfiles].name = argv[a];
 			input[nfiles].fp = fopen(argv[a], "r");
 			if (input[nfiles].fp == NULL) {
-				eputs(argv[a]);
-				eputs(": cannot open\n");
+				perror(argv[a]);
 				quit(1);
 			}
 		}
 		fputs(input[nfiles].name, stdout);
 		fputs(":\n", stdout);
 		getheader(input[nfiles].fp, tputs);
-		if (fscanf(input[nfiles].fp, "-Y %d +X %d\n", &ypos, &xpos) != 2) {
+		if (fgetresolu(&xpos, &ypos, input[nfiles].fp) !=
+				(YMAJOR|YDECR)) {
 			eputs(input[nfiles].name);
 			eputs(": bad picture size\n");
 			quit(1);
@@ -147,7 +147,7 @@ getfiles:
 	}
 	printargs(argc, argv, stdout);
 	putchar('\n');
-	printf("-Y %d +X %d\n", yres, xres);
+	fputresolu(YMAJOR|YDECR, xres, yres, stdout);
 	combine();
 	quit(0);
 usage:
@@ -200,7 +200,7 @@ combine()			/* combine pictures */
 			}
 		}
 		if (fwritescan(scanout, xres, stdout) < 0) {
-			eputs("write error\n");
+			perror("write error");
 			quit(1);
 		}
 	}