Custom tracks on MKWii using WiiScrubber

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But I think that, looking at the screenshot he gave us, the program will tell which file it needs and in what directory it should be in.
In the screenshot it said ./convertWBZ-to-SZS.sh --> looking for file "convertWBZ-to-SZS.sh" in the same directory as the .bat file.
Would it say ./README/README.txt (for example) , it would need the file "README.txt" in the directory ... (directory of .bat file)/README

I could be wrong though, tell me if I am