>Potrs164783
AGGAAGTGTGAGATTGAAAAAACATTACTATTGAGGAATTTTTGACCAGATCAGAATTGAACCAACATGATGAAGGGGAT
TGTTTGCCATCAGAATATGGCATGAAATTTCTCCCCTAGATCGGTTCAAGCTCCTGTAGGTTTGGAGTCCTTAGTGAGAA
CTTTCTTAAGAGAATCTAATCTGGTCTGTTCCTCGTCATAAGTTAAAGAAAAACTTGAAACAAATAACAAGCATGCATAA
>Potrs164784
TTACCCTCTACCAGCACCAATGCCTATGATCTTACAAAAATCCTTAATAAAAAGAAATCCAAAACCATTGTTACCATTCC
GGAATTACATTCTGAGATAAAAACCCTCAAATCTGAATTACAATCCCTTAAACAAGCCCAACAAAAAGACTCTGCCATAC

awk 'BEGIN{filename="file1"}{if($1 ~ />/){filename=$1; sub(/>/,"",filename); print filename;} print $0 >filename.fa;}' ../genome.fa

awk: syntax error at source line 1
 context is
    BEGIN{filename="file1"}{if($1 ~ />/){filename=$1; sub(/>/,"",filename); print filename;} print $0 >>>  >filename. <<< fa;}
awk: illegal statement at source line 1