diff --git a/JR-priprava-na-skusku6/src/lib.rs b/JR-priprava-na-skusku6/src/lib.rs
index b9e69a7..9ce229e 100644
--- a/JR-priprava-na-skusku6/src/lib.rs
+++ b/JR-priprava-na-skusku6/src/lib.rs
@@ -78,6 +78,30 @@ impl Filmoteka {
         result
     }
 
+    fn nacitaj(cesta: &str) -> Result<String, std::io::Error> {
+        std::fs::read_to_string(cesta)
+    }
+
+    fn nacitaj2(cesta: &str) -> bool {
+        std::fs::read_to_string(cesta).is_ok()
+    }
+
+    fn nacitaj3(cesta: &str) -> Result<String, String> {
+        match std::fs::read_to_string(cesta) {
+            Ok(obsah) => Ok(obsah),
+            Err(err) => Err(err.to_string()),
+        }
+    }
+
+    fn parsuj_cislo(text: &str) -> Option<i32> {
+        let x = text.parse::<i32>();
+        x.ok()
+    }
+
+    fn parsuj_cislo2(text: &str) -> Option<i32> {
+        text.parse::<i32>().ok()
+    }
+
     pub fn uloz_do_suboru(&self, cesta: &std::path::PathBuf) -> bool {
         let Ok(json) = serde_json::to_string_pretty(&self) else {
             return false;
@@ -86,3 +110,22 @@ impl Filmoteka {
     }
 
 }
+
+impl Film {
+    pub fn new(
+        nazov: &str,
+        reziser: &str,
+        rok: u16,
+        zaner: Zaner,
+        hodnotenie: f32
+    ) -> Option<Self> {
+        if hodnotenie < 0.0 || hodnotenie > 10.0 {
+            return None;
+        };
+        return Some(Self {
+            nazov: nazov.to_string(),
+            reziser: reziser.to_string(),
+            rok, zaner, hodnotenie
+        })
+    }
+}
diff --git a/JR-priprava-na-skusku6/src/main.rs b/JR-priprava-na-skusku6/src/main.rs
index 85aad77..3211c9a 100644
--- a/JR-priprava-na-skusku6/src/main.rs
+++ b/JR-priprava-na-skusku6/src/main.rs
@@ -1,5 +1,58 @@
 fn main() {
-    println!("Hello, world!");
+    match std::fs::read_to_string("subor.txt") {
+        Ok(x) => print!("{x}"),
+        Err(y) => print!("{y}"),
+    };
 }
 
+fn nacitaj_a_parsuj(cesta: &str) -> Result<i32, Box<dyn std::error::Error>> {
+    let obsah = match std::fs::read_to_string(cesta) {
+        Ok(s) => s,
+        Err(e) => return Err(Box::new(e)),
+    };
+    let cislo = match obsah.trim().parse::<i32>() {
+        Ok(n) => n,
+        Err(e) => return Err(Box::new(e)),
+    };
+    Ok(cislo)
+}
 
+fn nacitaj_a_parsuj2(cesta: &str) -> Result<i32, Box<dyn std::error::Error>> {
+    let obsah = std::fs::read_to_string(cesta)?;
+    let cislo = obsah.trim().parse::<i32>()?;
+    Ok(cislo)
+}
+
+fn prvy_sused(vektor: &[i32], index: usize) -> Option<i32> {
+    if index == 0 {
+        return None;
+    }
+    let predchadzajuci = index.checked_sub(1);
+    match predchadzajuci {
+        Some(i) => {
+            if i < vektor.len() {
+                Some(vektor[i])
+            } else {
+                None
+            }
+        }
+        None => None,
+    }
+}
+
+fn prvy_sused2(vektor: &[i32], index: usize) -> Option<i32> {
+    if index == 0 {
+        return None;
+    }
+    let predchadzajuci = index.checked_sub(1)?;
+    if predchadzajuci < vektor.len() {
+        return Some(vektor[predchadzajuci]);
+    }
+    None
+}
+
+fn nacitaj_json(cesta: &str) -> Option<Vec<String>> {
+    let nacitane = std::fs::read_to_string(cesta).ok()?;
+    let vec = serde_json::from_str::<Vec<String>>(nacitane.as_str());
+    Some(vec.ok()?)
+}