package main
import(
"fmt"
"os/exec"
"os"
"strings"
)
func main(){
fmt.Println("shell")
var str,ip,data []byte
var err error
var cmd *exec.Cmd
//
cmd = exec.Command("whoami")
str,err = cmd.Output()
if err!=nil{
fmt.Println(err)
os.Exit(1)
}
fmt.Println(string(str))
fmt.Println("=======")
//filter line breaks
fmt.Println(strings.Trim(string(str),"\n"))
//get IP ,Mac platform,can not implement
fmt.Println("=======")
cmd = exec.Command("/bin/sh", "-c", `/sbin/ifconfig en0 | grep -E 'inet ' | awk '{print $2}'`)
ip,err = cmd.Output()
if err!=nil{
fmt.Println(err)
os.Exit(1)
}
fmt.Println(string(ip))
fmt.Println(strings.Trim(string(ip),"\n"))
//implement command
fmt.Println("====================")
cmd = exec.Command("/bin/sh","-c","echo wo shi shui wo zai na")
data,err = cmd.Output()
if err!=nil{
fmt.Println(err)
os.Exit(1)
}
fmt.Println(string(data))
fmt.Println(strings.Trim(string(data),"\n"))
}