Golang Exec.Command和Bash问题[重复]

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I have a sample go program that is not executing a specific kind of syntax. The same command string works just fine when executed directly on bash. Probably GoLang methods add quotes or something that I am unable to figure out. Here is the sample program

func main() {
    cmd:= "/usr/bin/vmtoolsd --cmd 'info-get guestinfo.ovfEnv'"
    //cmd:= "/usr/bin/vmtoolsd --help"
    words := strings.Fields(cmd)
    fmt.Printf("
words are : %v
",words)
    oscmd := &exec.Cmd{
        Path: words[0],
        Args: words[:],
    }
    stdoutStderr, err:=oscmd.CombinedOutput()
    fmt.Printf("err:%v
",err)
    fmt.Printf("output:
%v
",string(stdoutStderr))

    fmt.Printf("execute again")
    cmd2:="/usr/bin/vmtoolsd"
    arg:="--cmd \"info-get guestinfo.ovfEnv\""
    output:=exec.Command(cmd2,arg).Run()
    if output!=nil {
        fmt.Printf("
some error
")
    }
    if output!=nil {
        fmt.Println(os.Stderr,output.Error())
    }
    //fmt.Printf("%v",cmd)
}

Program output

[root@localhost tmp]# ./main

words are : [/usr/bin/vmtoolsd --cmd 'info-get guestinfo.ovfEnv']
err:exit status 1
output:
Unknown command

execute again
some error
&{0xc000052120} exit status 1

Note that if I simply change the command to /usr/bin/vmtoolsd --help, it just works. I am certain it has got something to do with how the shell is interpreting the arguments in the failure case. Any tips will be appreciated.

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