sftp_file_read.go

package main

import (
     "github.com/pkg/sftp"
    "golang.org/x/crypto/ssh"
    "log"
    "io"
)

func main() {
	sshConfig := &ssh.ClientConfig{
		User: myuser,
		Auth: []ssh.AuthMethod{ssh.Password(mypassword)}}
	connection, err := ssh.Dial("tcp", host:port, sshConfig)
	if err != nil {
		log.Fatalf("Failed to dial: %s", err)
	}
	client, err := sftp.NewClient(connection)
	if err != nil {
		log.Fatalf("Failed to create client: %s", err)
	}
	file, err := client.Open(path_to_file)
	if err != nil {
		log.Fatalf("Failed to open remote file: %s", err)
	}
	buffer := make([]byte, 512)
	for {
		n, err := file.Read(buffer)
		if err != nil {
			if err == io.EOF {
                                log.Println("EOF")
				break
			}
			log.Fatal(err)
		}

        log.Print(string(buffer[:n]))
	}
}