added script for new day

newday.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Check if the correct number of arguments is provided
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 <two_digit_number>"
+    exit 1
+fi
+
+# Get the parameters
+X="$1"
+
+# Validate that X is a two-digit number
+if ! [[ "$X" =~ ^[0-9]{2}$ ]]; then
+    echo "Error: The parameter must be a two-digit number."
+    exit 1
+fi
+
+cp src/template.rs src/day$X.rs
+touch input/day$X.txt
+
+# Define the placeholder you want to replace
+PLACEHOLDER="{{day}}"
+
+# Use sed to replace the placeholder with the desired text
+sed -i "s|$PLACEHOLDER|$X|g" "src/day$X.rs"
+sed -i "s/.*\/\/ PLACEHOLDER.*/pub mod day$X;\n\/\/ PLACEHOLDER/" "src/lib.rs"
+sed -i "s/.*\/\/ PLACEHOLDER.*/($X, day$X::day_main),\n\/\/ PLACEHOLDER/" "src/main.rs"
+
+cargo fmt
+
+echo "seems allright. created template for day $X"

src/lib.rs

@@ -8,4 +8,5 @@ pub mod day07;
 pub mod day08;
 pub mod day09;
 pub mod day10;
+// PLACEHOLDER
 pub mod utils;

src/main.rs

@@ -15,6 +15,7 @@ fn main() {
         (8, day08::day_main),
         (9, day09::day_main),
         (10, day10::day_main),
+        // PLACEHOLDER
     ]);
     let day: Option<u8> = args().nth(1).and_then(|a| a.parse().ok());
     let Some(day) = day else {

src/template.rs

@@ -1,7 +1,7 @@
 use std::fs::read_to_string;
 
 pub fn day_main() {
-    let input = read_to_string("input/dayXX.txt").unwrap();
+    let input = read_to_string("input/day{{day}}.txt").unwrap();
     let input = input.trim();
     println!(" part1: {}", part1(input));
     println!(" part2: {}", part2(input));