How to process multiple binaries in headless mode ?

[qrkyckling]

So I have basically narrowed my script down to just this for testing:

The first file I encounter works...

However when the script runs again I get this.

I would expect the script when it is run anew to analyze the next file in the project.
I can manually use "-process a" and "-process b" to select which binary to analyze and run headless analyzer once for each file.
But I want to recurse over every binary in the project and run my script on each binary.
How can I do this ?

I am launching headless analyzer like this

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It seems I can do

from ghidra.program.flatapi import FlatProgramAPI
flat = FlatProgramAPI(currentProgram)

And get a handle to the current flat API but when using pyghidra.get_current_interpreter() I get a ClosedException for everything but the first file being processed. Not sure if I am using this wrongly or if it is a bug.