Reference/dotzdotzd

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.z.zd (zip defaults)

If defined, is an integer list of default parameters for logical block size, compression algorithm and compression level that apply when saving to files with no file extension.

See File Compression for details of the parameters.

q).z.zd:17 2 6        / set zip defaults
q)\x .z.zd            / unset 

For a complete list of functions, see the kdb+ Function Reference.

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