flesh out todo list, better configure code

Signed-off-by: Ava Hahn <ava@aidanis.online>

src/bin/main.rs

@@ -47,12 +47,24 @@ fn main() {
     }
 
     let vt = Rc::new(RefCell::new(VTable::new()));
-    // if we fail to get stdlib we can just use this one
-    let mut ft = Rc::new(RefCell::new(FTable::new()));
-
+    let conf_file;
+    let mut ft;
     match env::var("RELISH_CFG_FILE") {
-        Ok(s) => configure(s, vt.clone(), ft.clone()),
-        Err(_) => configure(cfg, vt.clone(), ft.clone()),
+        Ok(s) => {
+            conf_file = s
+        },
+        Err(e) => {
+            eprintln!("{}", e);
+            conf_file = cfg;
+        },
+    }
+
+    match configure(conf_file, vt.clone()) {
+        Ok(f) => ft = f,
+        Err(e) => {
+            ft = Rc::new(RefCell::new(FTable::new()));
+            eprintln!("{}", e);
+        },
     }
 
     match get_stdlib(vt.clone()) {