pty

package
Version: v1.0.0 Latest Latest
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Published: Jun 18, 2015 License: MIT, Apache-2.0 Imports: 6 Imported by: 0

README

pty

Pty is a Go package for using unix pseudo-terminals.

Install

go get github.com/kr/pty

Example

package main

import (
	"github.com/kr/pty"
	"io"
	"os"
	"os/exec"
)

func main() {
	c := exec.Command("grep", "--color=auto", "bar")
	f, err := pty.Start(c)
	if err != nil {
		panic(err)
	}

	go func() {
		f.Write([]byte("foo\n"))
		f.Write([]byte("bar\n"))
		f.Write([]byte("baz\n"))
		f.Write([]byte{4}) // EOT
	}()
	io.Copy(os.Stdout, f)
}

Documentation

Overview

Package pty provides functions for working with Unix terminals.

Index

Constants

This section is empty.

Variables

View Source
var ErrUnsupported = errors.New("unsupported")

ErrUnsupported is returned if a function is not available on the current platform.

Functions

func Getsize

func Getsize(t *os.File) (rows, cols int, err error)

Getsize returns the number of rows (lines) and cols (positions in each line) in terminal t.

func Open

func Open() (pty, tty *os.File, err error)

Opens a pty and its corresponding tty.

func Start

func Start(c *exec.Cmd) (pty *os.File, err error)

Start assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout, and c.Stderr, calls c.Start, and returns the File of the tty's corresponding pty.

Types

This section is empty.

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