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我正在尝试使用Go语言开发SSH客户端。我写了下面的代码来获取用户的命令,在远程服务器上执行它们并打印响应。从输出中排除SSH命令执行状态
下面的代码存在一个小问题。在屏幕上打印输出将在响应结束时打印命令执行状态(零/错误状态)。我如何从输出中排除这个?
SSH.go
package main
import "fmt"
import "io"
import "bufio"
import "os"
import "net"
import "golang.org/x/crypto/ssh"
func main(){
sshConfig := &ssh.ClientConfig{
User: "[USERNAME]",
Auth: []ssh.AuthMethod{
ssh.Password("[PASSWORD]"),
},
HostKeyCallback: func(hostname string, remote net.Addr, key ssh.PublicKey) error {
return nil
},
}
connection,err := ssh.Dial("tcp", "[IP]:[PORT]", sshConfig)
if err != nil {
fmt.Println("Failed to connect: %s", err)
}
reader := bufio.NewReader(os.Stdin)
for{
input, _ := reader.ReadString('\n')
session,err := connection.NewSession()
if err != nil {
fmt.Println("Failed to create session: %s", err)
}
stdout,err := session.StdoutPipe()
if err != nil {
fmt.Println("Failed to get stdout: %s", err)
}
go io.Copy(os.Stdout, stdout)
output := session.Run(input);
fmt.Println(output)
}
}
当前结果
hello
Process exited with status 127
df -hP /tmp
Filesystem Size Used Avail Use% Mounted on
/dev/sda6 198G 13G 176G 7%/
<nil>
预期结果
hello
df -hP /tmp
Filesystem Size Used Avail Use% Mounted on
/dev/sda6 198G 13G 176G 7%/
也许你应该将stderr重定向到'/ dev/null'? – armnotstrong
@armnotstrong - 这将是什么语法? – Beginner
@Beginner如果你把“重定向stderr到'/ dev/null'”到google? – zerkms