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/// This program demonstrates how to wrap a stream into a literal data
/// packet.
///
/// It is also used to generate test vectors for the armor subsystem.
use std::env;
use std::io;
extern crate openpgp;
use openpgp::armor;
use openpgp::constants::DataFormat;
use openpgp::serialize::stream::{wrap, LiteralWriter};
fn main() {
let args: Vec<String> = env::args().collect();
if args.len() != 1 {
panic!("A simple filter wrapping data into a literal data packet.\n\n\
Usage: {} <input >output\n", args[0]);
}
// Compose a writer stack corresponding to the output format and
// packet structure we want. First, we want the output to be
// ASCII armored.
let sink = armor::Writer::new(io::stdout(), armor::Kind::Message, &[][..])
.expect("Failed to create armored writer.");
// Then, create a literal writer to wrap the data in a literal
// message packet.
let mut literal = LiteralWriter::new(wrap(sink), DataFormat::Binary,
None, None)
.expect("Failed to create literal writer");
// Finally, just copy all the data.
io::copy(&mut io::stdin(), &mut literal)
.expect("Failed to sign data");
// Teardown the stack to ensure all the data is written.
literal.finalize()
.expect("Failed to write data");
}
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