To insert before the start use the position 0. The position in the main input sequence to insert after. To insert before the start use the position 0. The sequence and the sequence to insert into it are both single sequence. Output file format Single sequence file.
Data files None.
This can be used as a simple sequence editor. Diagnostic Error Messages None. It always exits with status 0. Known bugs None. This program is intended to be used by everyone and everything, from naive users to embedded scripts.