UBJSON (Universal Binary JSON) is a binary data standard for describing structured data made of key-value pairs and lists based on the JSON standard.

The general-purpose commands Import and Export permit parsing and generating UBJSON files and expressions.

Content-Type: application/ubjson

$\mathrm{byteArr}≔\mathrm{Array}\left(\left[123\,35\,105\,2\,105\,1\,120\,85\,-116\,105\,1\,121\,105\,-79\right]\,\mathrm{datatype}=\mathrm{integer}\left[1\right]\right)$

$\mathrm{byteArr}≔\left[\begin{array}{cccccccccccccc}123& 35& 105& 2& 105& 1& 120& 85& \mathrm{-116}& 105& 1& 121& 105& \mathrm{-79}\end{array}\right]$

$\mathrm{Import}\left(\mathrm{byteArr}\,\mathrm{format}=''UBJSON''\,\mathrm{source}=\mathrm{direct}\right)$

$table\left(\left[''x''=140\,''y''=\mathrm{-79}\right]\right)$

$\mathrm{Import}\left(''example/address.ubj''\,\mathrm{base}=\mathrm{datadir}\right)$

$table\left(\left[''address''=table\left(\left[''country''=''Canada''\,''province''=''ON''\,''city''=''Waterloo''\,''postalCode''=''N2V\; 1K8''\,''streetAddress''=''615\; Kumpf\; Drive''\right]\right)\,''founded''=1988\,''phoneNumbers''=\left[table\left(\left[''number''=''+1\; (519)\; 747-2373''\,''type''=''local''\right]\right)\,table\left(\left[''number''=''+1\; (800)\; 267-6583''\,''type''=''tollfree''\right]\right)\,table\left(\left[''number''=''+1\; (519)\; 747-5284''\,''type''=''fax''\right]\right)\right]\,''companyName''=''Maplesoft''\right]\right)$

$\mathrm{Mouse}≔\mathrm{table}\left(\left[''Genus''=''Mus''\,''Species''=''musculus''\right]\right)$

$\mathrm{Mouse}≔table\left(\left[''Species''=''musculus''\,''Genus''=''Mus''\right]\right)$

$\mathrm{Mouse}\left[''Family''\right]≔''Muridae''$

${\mathrm{Mouse}}_{''Family''}≔''Muridae''$

$\mathrm{Mouse}\left[''Order''\right]≔''Rodentia''$

${\mathrm{Mouse}}_{''Order''}≔''Rodentia''$

$\mathrm{Mouse}\left[''Class''\right]≔''Mammalia''$

${\mathrm{Mouse}}_{''Class''}≔''Mammalia''$

$\mathrm{Export}\left(''mouse.ubj''\,\mathrm{Mouse}\,\mathrm{base}=\mathrm{homedir}\right)$

$81$