おまけ：RUSTでもzenity
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use std::process::Command;

fn main() {
let output = Command::new("zenity")
.arg("--question")
.output().unwrap_or_else(|e| {
panic!("failed to execute process: {}", e)
});

if output.status.success() {
print!("Yes\n");
} else {
let s = String::from_utf8_lossy(&output.stderr);

print!("No, or Other :\n{}", s);
}

}

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