Show a popup/message box from a Windows batch file

Question

Is there a way to display a message box from a batch file (similar to how xmessage can be used from bash-scripts in Linux)?

Answer 1

Here's a PowerShell variant that doesn't require loading assemblies prior to creating the window, however it runs noticeably slower (~+50%) than the PowerShell MessageBox command posted here by @npocmaka:

powershell (New-Object -ComObject Wscript.Shell).Popup("""Operation Completed""",0,"""Done""",0x0)

You can change the last "0x0" parameter to display different icons in the dialog, ex. 0x40 shows an "information mark". See Popup Method for reference.

Adapted from the Microsoft TechNet article PowerTip: Use PowerShell to Display Pop-Up Window.

Answer 2

You can use Zenity. Zenity allows for the execution of dialog boxes in command-line and shell scripts. More info can also be found on Wikipedia.

It is cross-platform: a Windows installer for Windows can be found here.