% perl -S annotate_variation.pl ann.in humandb/ --buildver hg38
NOTICE: The --geneanno operation is set to ON by default
NOTICE: Output files are written to ann.in.variant_function, ann.in.exonic_variant_function
Error: The gene annotation database humandb/hg38_refGene.txt does not exist. Please use 'annotate_variation.pl --downdb refGene humandb -build hg38' to download the database.
In /Documentation/vtools_commands/update.md