The mogrify command does work, it is your inability to understand. If you are intent on using ImageMagick then you must ask these questions on the ImageMagick forum. https://github.com/ImageMagick/ImageMagick/discussions
As far as I can see from your last post, it depends what you pasted into the terminal. If you pasted the line markers > then that is wrong, they are not part of the command. Do not replace the wildcard *.jpg with a filename. Make sure the font files are in with the image files.
And this really is my last post on the subject.
As far as I can see from your last post, it depends what you pasted into the terminal. If you pasted the line markers > then that is wrong, they are not part of the command. Do not replace the wildcard *.jpg with a filename. Make sure the font files are in with the image files.
And this really is my last post on the subject.