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use structopt_derive::*;
#[derive(StructOpt, Debug)]
#[structopt(name = "csv_challenge", about = "An example of StructOpt usage.")]
pub struct Opt {
/// Needed parameter, the first on the command line.
// #[structopt(short = "v", long = "verbose")]
// pub verbosity: u64,
#[structopt(help = "Input file")]
pub input: String,
#[structopt(help = "Column Name")]
pub column_name: String,
#[structopt(help = "Replacement Column Name")]
pub replacement: String,
#[structopt(help = "Output file, stdout if not present")]
pub output: Option<String>,
}