Step 5: Type copy *.csv combined-csv-files.csv after the file path (or you can just copy it from this article, then use the right-click, Paste option that we used in Step 4), then press Enter on your keyboard. Note that you can replace the "combined-csv-files" part of that command with whatever name you would like to use for the merged CSV file that you are about to create.
Analyzing Parquet Metadata and Statistics with PyArrow. The PyArrow library makes it easy to read the metadata associated with a Parquet file. This blog post shows you how to create a Parquet file with PyArrow and review the metadata that contains important information like the compression algorithm and the min / max value of a given column.