pagedmov
f75501ed3d
fixed some tcsetpgrp() misbehavior fixed not being able to redirect stderr from builtins
32 lines
715 B
Rust
32 lines
715 B
Rust
use crate::{
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libsh::error::{ShErr, ShErrKind, ShResult},
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parse::{NdRule, Node, execute::prepare_argv},
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state::{self, write_vars},
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};
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pub fn shift(node: Node) -> ShResult<()> {
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let NdRule::Command {
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assignments: _,
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argv,
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} = node.class
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else {
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unreachable!()
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};
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let mut argv = prepare_argv(argv)?;
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if !argv.is_empty() { argv.remove(0); }
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let mut argv = argv.into_iter();
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if let Some((arg, span)) = argv.next() {
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let Ok(count) = arg.parse::<usize>() else {
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return Err(ShErr::at(ShErrKind::ExecFail, span, "Expected a number in shift args"));
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};
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for _ in 0..count {
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write_vars(|v| v.cur_scope_mut().fpop_arg());
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}
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}
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state::set_status(0);
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Ok(())
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}
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