Information about compressed data — blosc

Obtain information about raw data compressed with blosc.

Usage

blosc_info(x, ...)

Arguments

x: Raw data compressed with blosc_compress().
...: Ignored

Value

Returns a named list with information about blosc compressed data x.

Examples

data_compressed <-
  blosc_compress(volcano, typesize = 2, dtype = "<i2", compressor = "lz4",
                 shuffle = "bitshuffle")

blosc_info(data_compressed)
#> $Compressor
#> [1] "LZ4"
#> 
#> $`Blosc format version`
#> [1] 2
#> 
#> $`Internal compressor version`
#> [1] 1
#> 
#> $`Type size in bytes`
#> [1] 2
#> 
#> $`Block size in bytes`
#> [1] 10614
#> 
#> $`Uncompressed size in bytes`
#> [1] 10614
#> 
#> $`Compressed size in bytes`
#> [1] 6834
#> 
#> $Shuffle
#> [1] FALSE
#> 
#> $`Pure memcpy`
#> [1] FALSE
#> 
#> $`Bit shuffle`
#> [1] TRUE
#> 
#> attr(,"class")
#> [1] "blosc_info" "list"