Trying to get site that have a FILTER value of "PASS" or "."
I know of:
bcftools view -f PASS filename.vcf.gz
bcftools view -f . filename.vcf.gz
bcftools view -f 'PASS | .' filename.vcf.gz
but no dice.
Is it possible to get what I am looking for or do I have to filter separately then concat?