Merge branch 'undpugetopt'

undpu.c

@@ -57,11 +57,13 @@ int main (int argc, char **argv){
 			return EXIT_FAILURE;
 		}
 	}
-	strlcpy(output,argv[1],strlen(argv[1])-4);
+	if(!out){
+		strlcpy(output,argv[0],strlen(argv[0])-4);
 		if((joe = fopen(output,"w"))==NULL){
 			fputs("Ummm, the output file doesn't work.\n",stderr);
 			return EXIT_FAILURE;
 		}
+	}
 	while((thing=fgetc(bob))!=EOF){
 		fputc(thing,joe);
 		int i;