Pipe Rust strings to shell commands. Change-Id: Id8afeed642d30c79e193fa9b353de081a5843eb5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6197 Reviewed-by: wpcarro <wpcarro@gmail.com> Autosubmit: wpcarro <wpcarro@gmail.com> Tested-by: BuildkiteCI
22 lines
518 B
Rust
22 lines
518 B
Rust
use std::io::Write;
|
|
use std::process::{Command, Stdio};
|
|
|
|
// Example of piping-in a string defined in Rust to a shell command.
|
|
pub fn example() {
|
|
let input = "Hello, world!";
|
|
|
|
let mut cat = Command::new("cat")
|
|
.stdin(Stdio::piped())
|
|
.spawn()
|
|
.ok()
|
|
.unwrap();
|
|
|
|
cat.stdin
|
|
.take()
|
|
.unwrap()
|
|
.write_all(&input.as_bytes())
|
|
.unwrap();
|
|
|
|
let output = cat.wait_with_output().unwrap();
|
|
println!("{}", String::from_utf8_lossy(&output.stdout));
|
|
}
|