Convert CSV to Excel using Rust

Cargo.toml

[package]
name = "csv2xlsx"
version = "0.1.0"
authors = ["Sunjin Yang"]
edition = "2018"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
csv = "1.1.5"
simple_excel_writer = "0.1.7"

main.rs

pub fn convert_csv_to_excel(
    csv_path: &str,
    excel_path: &str,
) -> Result<(), Box<dyn std::error::Error>> {
    let mut rdr = csv::ReaderBuilder::new()
        .has_headers(false)
        .flexible(true)
        .from_path(csv_path)?;

    let mut wb = simple_excel_writer::Workbook::create(excel_path);
    let mut sheet = wb.create_sheet("Events");

    wb.write_sheet(&mut sheet, |sw| {
        for result in rdr.records() {
            if let Ok(record) = result {
                let mut row = simple_excel_writer::Row::new();
                for field in record.iter() {
                    row.add_cell(field);
                }
                sw.append_row(row)?;
            }
        }
        Ok(())
    })?;

    wb.close()?;
    Ok(())
}

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let args: Vec<String> = std::env::args().collect();
    convert_csv_to_excel(&args[1], &args[2])
}