On 28th of January 2022, Peter Eisentraut committed patch:
Add HEADER support to COPY text format The COPY CSV format supports the HEADER option to output a header line. This patch adds the same option to the default text format. On input, the HEADER option causes the first line to be skipped, same as with CSV. Author: Rémi Lapeyre <remi.lapeyre@lenstra.fr> Discussion: https://www.postgresql.org/message-id/flat/CAF1-J-0PtCWMeLtswwGV2M70U26n4g33gpe1rcKQqe6wVQDrFA@mail.gmail.com
Continue reading Waiting for PostgreSQL 15 – Add HEADER support to COPY text format