streams

package
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Published: Jun 7, 2024 License: MIT Imports: 4 Imported by: 0

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Types

type Out

type Out struct {
	// contains filtered or unexported fields
}

Out is an output stream to write normal program output. It implements an io.Writer, with additional utilities for detecting whether a terminal is connected, getting the TTY size, and putting the terminal in raw mode.

func NewOut

func NewOut() *Out

NewOut returns a new Out from an io.Writer.

func (*Out) FD

func (s *Out) FD() uintptr

FD returns the file descriptor number for this stream.

func (*Out) GetTtySize

func (o *Out) GetTtySize() (height uint, width uint)

GetTtySize returns the height and width in characters of the TTY, or zero for both if no TTY is connected.

func (*Out) IsTerminal

func (s *Out) IsTerminal() bool

IsTerminal returns true if this stream is connected to a terminal.

func (*Out) RestoreTerminal

func (s *Out) RestoreTerminal()

RestoreTerminal restores normal mode to the terminal.

func (*Out) SetIsTerminal

func (s *Out) SetIsTerminal(isTerminal bool)

SetIsTerminal overrides whether a terminal is connected. It is used to override this property in unit-tests, and should not be depended on for other purposes.

func (*Out) SetRawTerminal

func (o *Out) SetRawTerminal() (err error)

SetRawTerminal puts the output of the terminal connected to the stream into raw mode.

On UNIX, this does nothing. On Windows, it disables LF -> CRLF/ translation. It is a no-op if Out is not a TTY, or if the "NORAW" environment variable is set to a non-empty value.

func (*Out) Write

func (o *Out) Write(p []byte) (int, error)

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