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use std::path::PathBuf;
use structopt::StructOpt;
use crate::choice::Choice;
use crate::config::Config;
#[derive(Debug, StructOpt)]
#[structopt(name = "choose", about = "`choose` sections from each line of files")]
pub struct Opt {
/// Specify field separator other than whitespace
#[structopt(short, long)]
pub field_separator: Option<String>,
/// Use exclusive ranges, similar to array slicing in many programming languages
#[structopt(short = "x", long)]
pub exclusive: bool,
/// Activate debug mode
#[structopt(short, long)]
pub debug: bool,
/// Input file
#[structopt(short, long, parse(from_os_str))]
pub input: Option<PathBuf>,
/// Fields to print. Either x, x:, :y, or x:y, where x and y are integers, colons indicate a
/// range, and an empty field on either side of the colon continues to the beginning or end of
/// the line.
#[structopt(required = true, min_values = 1, parse(try_from_str = Config::parse_choice))]
pub choice: Vec<Choice>,
}
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