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snappy

The snappy command compresses or decompresses CSV files using the Snappy compression algorithm.

Syntax​

qsv snappy [options] <input_file> [<output_file>]

Description​

The snappy command is used to compress or decompress CSV files using the Snappy compression algorithm. This is useful for reducing the size of large datasets.

Options​

  • -d, --decompress: Decompress the input file
  • --no-headers: When set, the first row will not be interpreted as headers

Examples​

Compress File​

Compress a CSV file:

qsv snappy DLD_Transactions_English_500.csv compressed_file.snappy

Decompress File​

Decompress a compressed CSV file:

qsv snappy -d compressed_file.snappy decompressed_file.csv

Common Use Cases​

  • Reducing the size of large datasets
  • Storing or transmitting datasets more efficiently

Tips​

  • Verify the output to ensure the compression or decompression is successful
  • Use in combination with other commands for complex data processing