csvcat (1) - Linux Man Pages
csvcat: Efficiently concatenate CSV
NAMEcsvcat - Efficiently concatenate CSV
SYNOPSIScsvcat file1 file2 [...] > concatenated.csv
DESCRIPTIONEfficiently concatenate CSVs (or other tabular text files), stripping extra header lines. So far, is the fastest non-compiled script I've been able to devise. Plenty open to improvements and suggestions.
AUTHORWilliam Moreno Reyes - This manpage waw written for the Fedora Project but can be used in others projects under a CC-By license.