# Stop on error
set -uex

# Download the existing file.
wget -nc http://data.biostarhandbook.com/books/corona/data/meta.txt.gz

# Unzip the file.
gunzip meta.txt.gz

# Get a most up to date version of the metadata.
# bio meta 2697049 > meta.txt

# What are tge different hosts
cat meta.txt | bio uniq -c -f 3 | head


# Show the scientific names for all hosts infected by sars2
cat meta.txt | bio uniq -f 3 | bio taxon --depth 1 | column -ts ,


# Earliest samples from China
cat meta.txt | csvcut -c 1,4,5 | grep '2019-12' | grep China |  sort -t , -k2 | head