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print once when unknown algo

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Hatter Jiang
2019-11-24 13:10:32 +08:00
parent f742c18de1
commit dfefab0948
2 changed files with 9 additions and 3 deletions
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5
src/opt.rs
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@@ -3,6 +3,7 @@ use argparse::{ArgumentParser, StoreTrue, Store, List};
pub struct Options {
pub version: bool,
pub verbose: bool,
pub algorithm: String,
pub file_name_list: Vec<String>,
pub blake_len: usize,
@@ -12,6 +13,7 @@ impl Options {
pub fn new() -> Options {
Options {
version: false,
verbose: false,
algorithm: "SHA256".to_string(),
file_name_list: Vec::new(),
blake_len: 0_usize,
@@ -24,7 +26,8 @@ impl Options {
ap.set_description("digest - command line digest tool.");
ap.refer(&mut self.algorithm).add_option(&["-a", "--algorithm"], Store, "Algorithm, e.g. SHA256, SM3");
ap.refer(&mut self.blake_len).add_option(&["-l", "--blake-len"], Store, "Blake2s/b length, 1~32/64");
ap.refer(&mut self.version).add_option(&["-v", "--version"], StoreTrue, "Print version");
ap.refer(&mut self.version).add_option(&["-V", "--version"], StoreTrue, "Print version");
ap.refer(&mut self.verbose).add_option(&["-v", "--verbose"], StoreTrue, "Verbose");
ap.refer(&mut self.file_name_list).add_argument("File names", List, "File names to be digested");
ap.parse_args_or_exit();
}