csvtk join -k -f version \
    <(pigz -cd gtdb-taxid-changelog.csv.gz \
    | csvtk grep -f change -p DELETE \
    | csvtk freq -f version) \
    <(pigz -cd gtdb-taxid-changelog.csv.gz \
    | csvtk grep -f change -p NEW \
    | csvtk freq -f version) \
    <(pigz -cd gtdb-taxid-changelog.csv.gz \
    | csvtk grep -f change -p MERGE \
    | csvtk freq -f version) \
    <(pigz -cd gtdb-taxid-changelog.csv.gz \
    | csvtk grep -f change -p REUSE_DEL \
    | csvtk freq -f version) \
    <(pigz -cd gtdb-taxid-changelog.csv.gz \
    | csvtk grep -f change -p REUSE_MER \
    | csvtk freq -f version) \
    | csvtk rename -f -1 -n deleted,newly_added,merged,deleted_reused,merged_reused \
    > changes.csv
    
cat changes.csv \
    | csvtk gather -k types -v count -f 2-6 \
    > changes.g.csv
    
./plot.R