xmfa_tools xmfa_tools.pl 描述: sort XMFA file by block (LCB) and generate gapped fasta files with fasta/xmfa coordinates This is accomplished by defining a multi-pass sort using sequence IDs found in the XMFA header. The primary sort sequence ID is used to establish a backbone of blocks. Additional sorting passes recursively extend the backbone blocks using the non-primary sequence ID block posi