diff --git a/Cargo.toml b/Cargo.toml
index cbaf3f3..9851f29 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,8 +3,6 @@ name = "graphprogram_rust"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 csv = "1.2.2"
 fastrand = "1.9.0"
@@ -18,4 +16,5 @@ panic = "unwind"
 incremental = true
 debug-assertions = false
 codegen-units = 64
-rpath = false
\ No newline at end of file
+rpath = false
+strip = true
diff --git a/src/graph/matrix.rs b/src/graph/matrix.rs
index ef8ca50..b79cfea 100644
--- a/src/graph/matrix.rs
+++ b/src/graph/matrix.rs
@@ -148,13 +148,12 @@ pub fn show(matrix: &Vec<Vec<usize>>) {
     }
 }
 
-pub fn read_csv(file_name: &str) -> Vec<Vec<usize>> {
+pub fn read_csv(file: &str) -> Vec<Vec<usize>> {
     let mut matrix: Vec<Vec<usize>> = vec![];
-    let dir: String = "/home/rene/projects/Java/graphprogram/csv/".into();
     let mut csv = csv::ReaderBuilder::new()
         .has_headers(false)
         .delimiter(b';')
-        .from_path(dir + file_name)
+        .from_path(file)
         .unwrap();
 
     for (index, result) in csv.records().enumerate() {
diff --git a/src/lib.rs b/src/lib.rs
index e4bc40a..17f5d47 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,7 +6,7 @@ mod tests {
 
     #[test]
     fn graph() {
-        let adjazenz_matrix = read_csv("art-brck.csv");
+        let adjazenz_matrix = read_csv("/home/rene/projects/Java/graphprogram/csv/art-brck.csv");
         let distanz_matrix = calculate_distanz_matrix(&adjazenz_matrix);
         let weg_matrix = calculate_weg_matrix(&adjazenz_matrix);
 
diff --git a/src/main.rs b/src/main.rs
index 66d3bfb..12d64dd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+use std::env::args;
+
 #[allow(unused_imports)]
 use crate::graph::{
     matrix::{fill_with_random, read_csv, show},
@@ -7,9 +9,14 @@ use crate::graph::{
 pub mod graph;
 
 pub fn main() {
-    let file_name = "24n.csv";
-    let adjazenz_matrix = read_csv(file_name);
-    //let adjazenz_matrix = fill_with_random(320); // with 320 verteces, it runs in about 10 seconds on an Intel i5-10300H @4.3 GHz (2023-06-05 15:48)
+    let args: Vec<String> = args().collect();
+    let adjazenz_matrix: Vec<Vec<usize>>;
+    
+    if args[1].trim().parse::<usize>().is_ok() {
+        adjazenz_matrix = fill_with_random(args[1].parse::<usize>().unwrap()); // with 320 verteces, it runs in about 10 seconds on an Intel i5-10300H @4.3 GHz (2023-06-05 15:48)
+    } else {
+        adjazenz_matrix = read_csv(&args[1]);
+    }
     let distanz_matrix = calculate_distanz_matrix(&adjazenz_matrix);
     let weg_matrix = calculate_weg_matrix(&adjazenz_matrix);