Detect sections; Unify printing help across the tools

src/Tools/readmap/src/lib.rs

@@ -1,8 +1,17 @@
 pub mod types;
 
 use tool_helper::{Error, Input};
+use std::io::BufRead;
 use types::Section;
 
 pub fn scan(input: Input) -> Result<Vec<Section>, Error> {
+    let lines = input.lines().map(|l| l.unwrap());
+
+    for line in lines {
+        if line.starts_with('.') {
+            println!("Found section \"{}\"", line);
+        }
+    }
+
     Err(Error::not_implemented("readmap::scan"))
 }

src/Tools/readmap/src/main.rs

@@ -25,7 +25,7 @@ pub fn main() {
             }
         },
         Err(error) => {
-            exit_with_error(Error::from_error(error));
+            println!("{}", error)
         }
     }
 }