--- ray/src/util/ranimate.c	1996/07/10 15:14:59	2.19
+++ ray/src/util/ranimate.c	1997/10/31 15:02:43	2.23
@@ -93,7 +93,7 @@ int	silent = 0;		/* silent mode? */
 int	noaction = 0;		/* take no action? */
 
 char	*remsh;			/* remote shell program/script */
-char	rendopt[2048] = "";	/* rendering options */
+char	rendopt[2048];		/* rendering options */
 char	rresopt[32];		/* rendering resolution options */
 char	fresopt[32];		/* filter resolution options */
 int	pfiltalways;		/* always use pfilt? */
@@ -150,6 +150,8 @@ char	*argv[];
 	cfname = argv[i];
 						/* load variables */
 	loadvars(cfname);
+						/* check variables */
+	checkvalues();
 						/* did we get DIRECTORY? */
 	checkdir();
 						/* check status */
@@ -230,7 +232,7 @@ getastat()			/* check/set animation status */
 		}
 		/* assume it is dead */
 	}
-	if (strcmp(cfname, astat.cfname) && astat.tnext != 0) {	/* other's */
+	if (strcmp(cfname, astat.cfname) && astat.pid != 0) {	/* other's */
 		fprintf(stderr, "%s: unfinished job \"%s\"\n",
 				progname, astat.cfname);
 		return(-1);
@@ -448,28 +450,39 @@ char	*rfargs;
 	char	combuf[256];
 	register int	i;
 	register char	*cp;
+	char	*pippt;
 					/* create rad command */
 	sprintf(rendopt, " @%s/render.opt", vval(DIRECTORY));
 	sprintf(combuf,
 	"rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH",
 			rfargs, rendopt+2);
 	cp = combuf;
-	while (*cp) cp++;		/* match unset variables */
+	while (*cp) {
+		if (*cp == '|') pippt = cp;
+		cp++;
+	}				/* match unset variables */
 	for (i = 0; mvar[i] >= 0; i++)
 		if (!vdef(mvar[i])) {
 			*cp++ = '|';
 			strcpy(cp, vnam(mvar[i]));
 			while (*cp) cp++;
+			pippt = NULL;
 		}
-	sprintf(cp, ")[ \t]*=' > %s/radset.var", vval(DIRECTORY));
-	cp += 11;			/* point to file name */
+	if (pippt != NULL)
+		strcpy(pippt, "> /dev/null");	/* nothing to match */
+	else {
+		sprintf(cp, ")[ \t]*=' > %s/radset.var", vval(DIRECTORY));
+		cp += 11;		/* point to file name */
+	}
 	if (system(combuf)) {
 		fprintf(stderr, "%s: error executing rad command:\n\t%s\n",
 				progname, combuf);
 		quit(1);
 	}
-	loadvars(cp);			/* load variables and remove file */
-	unlink(cp);
+	if (pippt == NULL) {		/* load variables and remove file */
+		loadvars(cp);
+		unlink(cp);
+	}
 }
 
 
@@ -901,7 +914,7 @@ int	rvr;
 		strcat(combuf, viewopt(vp));
 		if (vbool(RTRACE))
 			sprintf(combuf+strlen(combuf), " -ff -fr '%s -w0 %s'",
-					rendopt, vval(OCTREE));
+					rendopt+1, vval(OCTREE));
 		if (vdef(PINTERP))
 			sprintf(combuf+strlen(combuf), " %s", vval(PINTERP));
 		if (usepfilt)