Function pipe 

pub fn pipe() -> Pipe

Available on crate feature process only.

Pipe the child’s output into another command’s stdin.

Example

use cu::pre::*;

let (hello, out) = cu::which("echo")?.command()
    .arg("Hello, world!")
    .stdout(cu::pio::pipe())
    .stdie_null()
    .spawn()?;

cu::which("rev")?.command()
    .stdin(out)
    .stdoe(cu::lv::I)
    .wait_nz()?;
hello.wait_nz()?;