FindAndJoinDbfFiles reads the variable.dbf files in the provided folders and returns the data as a slice of slices.

FindMasterDBF searches for master.dbf in the provided directory or subdirectories.

GetFolders returns a slice of folder paths in the provided directory.

GetMasterDBFTableFoldersAsSlice reads the master.dbf file and returns a slice of folder paths.

WriteToCSV writes the data to a CSV file.