Convert various tabular data formats to CSV. Included in csvkit. More information: https://csvkit.readthedocs.io/en/latest/scripts/in2csv.html.
in2csv {{data.xls}}
in2csv {{data.dbf}} > {{data.csv}}
in2csv --sheet={{sheet_name}} {{data.xlsx}}
cat {{data.json}} | in2csv {{[-f|--format]}} json > {{data.csv}}