use std::env;
fn get_user_arguments() -> Option<(String, String, String)> {
let args: Vec<String> = env::args().collect();
if args.len() < 4 {
println!("Usage: {} <arg1> <arg2> <arg3>", args[0]);
println!("Where <arg1>: TexFile, <arg2>: csv-file, <arg3>: environment enclosing table");
return None;
}
let arg1 = args[1].clone();
let arg2 = args[2].clone();
let arg3 = args[3].clone();
Some((arg1, arg2, arg3))
}
pub fn get_input_output_file_names() -> (String, String, String) {
get_user_arguments().unwrap()
}