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detect-newline-style

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Determine a string’s preferred newline character

Installation

cargo add detect-newline-style

Examples

use detect_newline_style::LineEnding;

fn main() {
    let text = "one\rtwo\r\nthree\nfour\n";
    let eol = LineEnding::find(text, LineEnding::LF);

    assert_eq!(eol, LineEnding::LF);

    let text = "one\rtwo\r\nthree\n";
    let eol = LineEnding::find_or_use_lf(text);

    assert_eq!(eol, LineEnding::LF);

    let text = "one\rtwo\r\nthree\n";
    let eol = LineEnding::find_or_use_crlf(text);

    assert_eq!(eol, LineEnding::CRLF);

    assert_eq!(format!("{}", LineEnding::CR), "\r");
    assert_eq!(format!("{}", LineEnding::LF), "\n");
    assert_eq!(format!("{}", LineEnding::CRLF), "\r\n");
}

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