Struct CommandWithArgs

pub struct CommandWithArgs { /* private fields */ }

An individual command with args.

Implementations

impl CommandWithArgs

pub fn new() -> Self

Create a new empty command and args.

pub fn push_arg(&mut self, arg: Arg)

Push a new arg onto the command, the first “arg” is the command itself.

pub fn push_env_var_arg(&mut self, arg: OsString)

Push a new env var arg onto the command, the first “arg” is the command itself.

pub fn push_run_arg(&mut self, run: Run)

Push a new env var arg onto the command, the first “arg” is the command itself.

pub fn is_empty(&self) -> bool

Empty, not even the command is set.

pub fn command(&self, jobs: &mut Jobs) -> Option<Result<OsString>>

Command name, None if no command name set (args are empty).

pub fn args(&self) -> &[Arg]

Args to the command.

pub fn args_iter(&self) -> CommandArgs<'_>

Iterator over the arguments for the command.

pub fn set_stdios(&mut self, stdios: Redirects)

Set the stdio redirect stack for this command.

pub fn stdios(&self) -> &Option<Redirects>

Set the stdio redirect stack for this command.

pub fn extend_stdios(&mut self, stdios: &Redirects)

Extend the redirect stack for this command with stdio.

pub fn push_stdin_front(&mut self, fd: Option<FileDesc>)

If fd is Some value then put it at the front of the redir queue for this command.

pub fn push_stdout_front(&mut self, fd: Option<FileDesc>)

If fd is Some value then put it at the front of the redir queue for this command.

pub fn process_redirects( &self, jobs: &mut Jobs, ) -> Result<HashSet<FileDesc>, Error>

Process redirects.

pub fn fds_to_internal(&mut self, fd_set: &HashSet<FileDesc>)

pub fn get_internal_fds(&self) -> HashSet<FileDesc>

Return a set of all the ‘internal’ file descriptors (for pipes etc).

Trait Implementations

impl Clone for CommandWithArgs

fn clone(&self) -> CommandWithArgs

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CommandWithArgs

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for CommandWithArgs

fn default() -> Self

Returns the “default value” for a type.

impl Display for CommandWithArgs

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.