Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
As a workaround, build the command from the contents of the file. I would do this via an environment variable in Windows. In bash, you can embed a "cat" command within the convert.