Go 中是否有类 system() 函数 - V2EX
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Go 中是否有类 system() 函数

  •  
  •   SuperFashi
    superfashi Sep 4, 2016 2949 views
    This topic created in 3561 days ago, the information mentioned may be changed or developed.

    今天搜了一天 Google ,啥都没找到……

    exec.Command 只能运行,并不能交互(很麻烦),而 syscall.Exec 则在子进程运行完后直接退出了。

    有没有类似于 Python 里的 os.system(),也就是 C/C++ 里的 system(),可以让我直接运行某个需要交互的程序(例如 vim 或者 git )并可以与其交互且退出后原程序能够继续运行?

    8 replies    2016-09-09 18:26:00 +08:00
    Phant0m
        1
    Phant0m  
       Sep 4, 2016   1
    可以参考下 gotty
    qiukun
        3
    qiukun  
       Sep 4, 2016   1
    @gxustudent good job
    raysonx
        4
    raysonx  
       Sep 4, 2016 via iPad   1
    system=fork+exec+waitpid
    SuperFashi
        5
    SuperFashi  
    OP
       Sep 4, 2016
    @gxustudent
    @raysonx
    感谢各位,用 cgo 解决问题了,看来 go 还是不太成熟……
    reus
        6
    reus  
       Sep 5, 2016   12
    不是 go 不成熟,是你技术不成熟而已,你并不理解“交互”是怎样实现的。
    如果你理解了,自然会这样做:

    package main

    import (
    "os"
    "os/exec"
    )

    func main() {
    cmd := exec.Command("vim")
    cmd.Stdout = os.Stdout
    cmd.Stderr = os.Stderr
    cmd.Stdin = os.Stdin
    cmd.Run()
    }

    就这么简单。
    struCoder
        7
    struCoder  
       Sep 5, 2016
    @reus cool , 赞这句话
    SuperFashi
        8
    SuperFashi  
    OP
       Sep 9, 2016
    @reus
    哇,这个方法好多了,感谢!
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