$ fq -h csv
csv: Comma separated values decoder

Options
=======

  comma=,    Separator character
  comment=#  Comment line character

Decode examples
===============

  # Decode file as csv
  $ fq -d csv . file
  # Decode value as csv
  ... | csv
  # Decode file using csv options
  $ fq -d csv -o comma="," -o comment="#" . file
  # Decode value as csv
  ... | csv({comma:",",comment:"#"})

TSV to CSV
==========

  $ fq -d csv -o comma="\t" tocsv file.tsv
  
Convert rows to objects based on header row
===========================================

  $ fq -d csv '.[0] as $t | .[1:] | map(with_entries(.key = $t[.key]))' file.csv