Merge large CSV files with headers

If you have ever worked with classic data warehousing tools, you may already know the problem: The CSV export splits the output into different files, often with one file containing no more than 1 million observations. However, for analysis purposes, this format is not always optimal and must be merged into a single file. In bash this is not a big problem with cat, but only if there is no header present....

January 9, 2021 · 1 min · Christian Hotz-Behofsits