How to Hide Command Prompt Windows When Using `exec.Command` in Go?

How to Conceal Command Prompt Windows with Exec

In Go, when employing syscall to obscure command line windows using exec.Command(name, args...), certain users encounter a lingering problem: the window reappears after compilation in Windows environments.

This question seeks to uncover a solution to prevent the command line window from materializing. While the technique of compiling Go source into Windows GUI executables using go build -ldflags -H=windowsgui effectively suppresses the launch window for the program itself, Exec continues to produce visible windows.

Solution:

A superior solution exists that empowers exec.Command() to execute without displaying a visible window.

import syscall

cmd_path = "C:\Windows\system32\cmd.exe"
cmd_instance = exec.Command(cmd_path, "/c", "notepad")
cmd_instance.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
cmd_output, err := cmd_instance.Output()

This code imports syscall and assigns the command path, arguments, and HideWindow attribute to the cmd_instance object. Subsequently, it executes the command and stores the output in cmd_output.

This approach successfully conceals command line windows while utilizing exec.Command() in Go, addressing the initial query effectively.

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