dos-var: corrected error message

dos-var/src/error.rs

@@ -6,8 +6,8 @@ pub fn not_found(target: &String) {
 }
 
 
-pub fn arg_count() {
-	eprintln!("dos-var: expects one argument");
+pub fn missing_arg() {
+	eprintln!("dos-var: no argument found");
 	exit(2);
 }
 

dos-var/src/main.rs

@@ -35,6 +35,6 @@ pub fn main() {
 				println!("{path}");
 			}
 		}
-	}
+	} else { error::missing_arg(); }
 }