CMD inside PowerShell

This post is for all the old-timers out there who have fond memories of the MS-DOS command prompt and have bother remembering all the new-fangled (but awfully powerful) PowerShell commands in Windows. You can get back all your command prompt goodness by with the command cmd, which starts a command processor with all the old style commands. As you can see above.

I’ve just had to use this when while deploying a web application to a Linux-powered device. I had a bunch of image files that had the extension “.jpg” which were referred to in the code as “.JPG”. The Windows filestore doesn’t mind this. But Linux does. So all my image links were broken. What I wanted to do was rename all the extensions. You can probably do this in PowerShell. But I can definitely do it in MS-DOS:

rename *.jpg *.JPG

So it was in with the old, out with the rename and the site now works. And I, not for the first time, must try to focus on greater consistency in my coding….