use std::fs;
fn main() {
let example_path = "examples/file_parser.rs";
let readme_path = "README.md";
let example_content = fs::read_to_string(example_path).expect("Failed to read example file");
let readme_content = fs::read_to_string(readme_path).expect("Failed to read README file");
let start_marker = "<!-- example start -->";
let end_marker = "<!-- example end -->";
if let (Some(start), Some(end)) = (
readme_content.find(start_marker),
readme_content.find(end_marker),
) {
let before = &readme_content[..start + start_marker.len()];
let after = &readme_content[end..];
let new_readme = format!("{}\n```rust\n{}\n```\n{}", before, example_content, after);
fs::write(readme_path, new_readme).expect("Failed to write updated README file");
} else {
panic!("README.md does not contain the required markers.");
}
println!("cargo:rerun-if-changed={}", example_path);
}