コマンド実行の標準出力をリアルタイムでキャプチャする方法

<code class="go">package main

import (
    "os"
    "os/exec"
    "fmt"
    "bufio"
)

func main() {
    // Specify the command to execute
    cmd := exec.Command("command", "arguments")

    // Create a pipe for the output of the script
    cmdReader, err := cmd.StdoutPipe()
    if err != nil {
        fmt.Fprintln(os.Stderr, "Error creating StdoutPipe for Cmd", err)
        return
    }

    scanner := bufio.NewScanner(cmdReader)

    // Launch a goroutine to continuously read and display the output
    go func() {
        for scanner.Scan() {
            fmt.Printf("\t > %s\n", scanner.Text())
        }
    }()

    // Start the execution of the command
    err = cmd.Start()
    if err != nil {
        fmt.Fprintln(os.Stderr, "Error starting Cmd", err)
        return
    }

    // Wait for the command to complete
    err = cmd.Wait()
    if err != nil {
        fmt.Fprintln(os.Stderr, "Error waiting for Cmd", err)
        return
    }
}</code>