rc fix

src/shell/rc/rc.c

@@ -173,7 +173,7 @@ void catch_sig(int sig) {
 	return;
 }
 
-int main(void) {
+int main(int argc, char **argv) {
 	signal(SIGINT, catch_sig);
 
 	/* Alias */
@@ -183,8 +183,21 @@ int main(void) {
 		return 1;
 	}
 
+	unsigned int script_flag = 0;
+
+	FILE *fp = stdin;
+	if (argc == 2) {
+		fp = fopen(argv[1], "r");
+		if (fp == NULL) {
+			fprintf(stderr, "rc: %s: %s\n", argv[1], strerror(errno));
+			return 1;
+		}
+
+		script_flag = 1;
+	}
+
 	while (!exit_flag) {
-		char *str = readline(stdin);
+		char *str = readline(fp);
 		if (str == NULL)
 			break;
 
@@ -211,6 +224,9 @@ int main(void) {
 	}
 
 	free(aliases);
+	if (script_flag)
+		fclose(fp);
+
 	putchar('\n');
 	return 0;
 }