Struct Pv 

#[non_exhaustive]
pub struct Pv { /* private fields */ }

Configured pipe-viewer runner. Construct via PvBuilder.

Implementations

impl Pv

pub fn copy<R: Read + ?Sized, W: Write + ?Sized>( self, reader: &mut R, writer: &mut W, ) -> Result<u64, PvError>

Stream reader → writer while reporting progress to the configured reporter. Returns the number of bytes transferred or an error (FR-046).

Errors

Returns PvError::Io on any I/O failure during read or write.

pub fn total_bytes(&self) -> Option<u64>

Configured total-byte hint (-s SIZE).

pub fn rate_limit(&self) -> Option<u64>

Configured rate limit in bytes/sec (-L RATE).

pub fn buffer_size(&self) -> usize

Configured internal buffer size (-B BYTES).

pub fn interval(&self) -> Duration

Configured display interval (-i SEC).

pub fn name(&self) -> Option<&str>

Configured name (-N NAME).

Trait Implementations

impl Debug for Pv

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

Formats the value using the given formatter.