diff --git a/src/localmode.rs b/src/localmode.rs
new file mode 100644
index 0000000..23bb08f
--- /dev/null
+++ b/src/localmode.rs
@@ -0,0 +1,19 @@
+use Fasching::snapshot::Snapshot;
+use crate::syscompare::Comparer;
+
+struct LocalMode {
+    left: Snapshot,
+    right: Snapshot
+}
+
+impl LocalMode {
+    fn new() -> LocalMode {
+        LocalMode { left: Default::default(), right: Default::default() }
+    }
+}
+
+impl Comparer for LocalMode {
+    fn run(&self) {
+
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index 7d91988..63030b0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,8 @@
 pub mod syscompare;
+mod localmode;
 
 use std::env::args;
-use crate::syscompare::{SysCompare};
+use crate::syscompare::{SysCompareApp};
 use crate::syscompare::CompareMode::Local2Local;
 
 fn main() {
@@ -11,18 +12,19 @@ fn main() {
     let app = match args.get(1) {
         None => {
             panic!("Missing Mode Argument");
-            SysCompare::default()
+            SysCompareApp::default()
         }
         Some(mode) => {
+            // app mode
             let m = mode.as_str();
-
             let app_mode = match m {
                 "local" => {Local2Local}
-                _ => {Local2Local}
+                _ => {panic!("Invalid MODE argument")}
             };
 
-            SysCompare::new(app_mode)
+            SysCompareApp::new(app_mode, args)
         }
     };
 
+    app.run()
 }
diff --git a/src/syscompare.rs b/src/syscompare.rs
index a4e11d9..8413c8e 100644
--- a/src/syscompare.rs
+++ b/src/syscompare.rs
@@ -4,22 +4,27 @@ pub enum CompareMode {
     Local2Local
 }
 
-pub struct SysCompare {
+pub struct SysCompareApp {
     mode: CompareMode,
-    left: Snapshot,
-    right: Snapshot,
+    args: Vec<String>
 }
 
 
-impl SysCompare {
-    pub fn new(mode: CompareMode) -> SysCompare {
-        SysCompare { mode: CompareMode::Local2Local, left: Default::default(), right: Default::default() }
+impl SysCompareApp {
+    pub fn new(mode: CompareMode, args: Vec<String>) -> SysCompareApp {
+        SysCompareApp { mode, args }
+    }
+    pub fn run(&self) {
+        println!("running");
     }
-    pub fn compare() {}
 }
 
-impl Default for SysCompare {
+impl Default for SysCompareApp {
     fn default() -> Self {
-        SysCompare { mode: CompareMode::Local2Local, left: Default::default(), right: Default::default() }
+        SysCompareApp { mode: CompareMode::Local2Local, args: vec![] }
     }
 }
+
+pub trait Comparer {
+    fn run(&self);
+}