commit | 7f1364099ec272839d6b7370750b55988debb664 | [log] [tgz] |
---|---|---|
author | Vitaly Potyarkin <sio.wtf@gmail.com> | Thu Apr 27 15:20:21 2023 +0000 |
committer | Vitaly Potyarkin <sio.wtf@gmail.com> | Fri Apr 28 17:52:33 2023 +0300 |
tree | 461fc4f4341898509ae884a1a13b04657c1c8e71 | |
parent | 0d412c9fbeb14954aa65830dcfdb84005cd0cd96 [diff] |
Use upstream compiler for linux/riscv64 and freebsd/riscv64 Close #149
Pty is a Go package for using unix pseudo-terminals.
go get github.com/creack/pty
Note that those examples are for demonstration purpose only, to showcase how to use the library. They are not meant to be used in any kind of production environment.
package main import ( "io" "os" "os/exec" "github.com/creack/pty" ) 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) }
package main import ( "io" "log" "os" "os/exec" "os/signal" "syscall" "github.com/creack/pty" "golang.org/x/term" ) func test() error { // Create arbitrary command. c := exec.Command("bash") // Start the command with a pty. ptmx, err := pty.Start(c) if err != nil { return err } // Make sure to close the pty at the end. defer func() { _ = ptmx.Close() }() // Best effort. // Handle pty size. ch := make(chan os.Signal, 1) signal.Notify(ch, syscall.SIGWINCH) go func() { for range ch { if err := pty.InheritSize(os.Stdin, ptmx); err != nil { log.Printf("error resizing pty: %s", err) } } }() ch <- syscall.SIGWINCH // Initial resize. defer func() { signal.Stop(ch); close(ch) }() // Cleanup signals when done. // Set stdin in raw mode. oldState, err := term.MakeRaw(int(os.Stdin.Fd())) if err != nil { panic(err) } defer func() { _ = term.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort. // Copy stdin to the pty and the pty to stdout. // NOTE: The goroutine will keep reading until the next keystroke before returning. go func() { _, _ = io.Copy(ptmx, os.Stdin) }() _, _ = io.Copy(os.Stdout, ptmx) return nil } func main() { if err := test(); err != nil { log.Fatal(err) } }