$ fq -h bitcoin_block
bitcoin_block: Bitcoin block decoder

Options
=======

  has_header=false  Has blkdat header

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

  # Decode file as bitcoin_block
  $ fq -d bitcoin_block . file
  # Decode value as bitcoin_block
  ... | bitcoin_block
  # Decode file using bitcoin_block options
  $ fq -d bitcoin_block -o has_header=false . file
  # Decode value as bitcoin_block
  ... | bitcoin_block({has_header:false})