Files
shed/src/builtin/echo.rs

26 lines
788 B
Rust

use crate::{builtin::setup_builtin, jobs::{ChildProc, JobBldr}, libsh::error::ShResult, parse::{execute::prepare_argv, NdRule, Node}, prelude::*, procio::{borrow_fd, IoStack}, state};
pub fn echo(node: Node, io_stack: &mut IoStack, job: &mut JobBldr) -> ShResult<()> {
let NdRule::Command { assignments: _, argv } = node.class else {
unreachable!()
};
assert!(!argv.is_empty());
let (argv,io_frame) = setup_builtin(argv, job, Some((io_stack,node.redirs)))?;
let stdout = borrow_fd(STDOUT_FILENO);
let mut echo_output = argv.into_iter()
.map(|a| a.0) // Extract the String from the tuple of (String,Span)
.collect::<Vec<_>>()
.join(" ");
echo_output.push('\n');
write(stdout, echo_output.as_bytes())?;
io_frame.unwrap().restore()?;
state::set_status(0);
Ok(())
}