Function validate_file_exists 

pub fn validate_file_exists(path: &Path, arg_name: &str) -> Result<()>

Validate that a file or directory exists at the given path.

Arguments

• path - The path to check
• arg_name - The argument name (used in error messages)

Returns

• Ok(()) if the path exists
• Err(ValidationError::FileNotFound) if the path does not exist

Example

use dynamic_cli::validator::validate_file_exists;
use std::path::Path;

validate_file_exists(Path::new("config.yaml"), "config")?;