able/qrcode-rust
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fix: Add newline after qr code and print usage if incorrect number of args passed

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This commit is contained in:
Shane Snover 2021-04-19 19:18:45 -06:00
parent 59a30b9d12
commit 6f0eac5a8c
1 changed files with 7 additions and 3 deletions
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10
src/bin/qrencode.rs
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@ -1,8 +1,12 @@
use std::env; use std::env;
pub fn main() { pub fn main() {
let arg = env::args().nth(1).unwrap(); if env::args().len() == 2 {
let code = qrcode::QrCode::new(arg.as_bytes()).unwrap(); let arg = env::args().nth(1).unwrap();
let code = qrcode::QrCode::new(arg.as_bytes()).unwrap();
print!("{}", code.render().dark_color("\x1b[7m \x1b[0m").light_color("\x1b[49m \x1b[0m").build()); println!("{}", code.render().dark_color("\x1b[7m \x1b[0m").light_color("\x1b[49m \x1b[0m").build());
} else {
println!("Usage: {} INPUT_TEXT", env::args().nth(0).unwrap());
}
} }