Parameters

Attribute Description Required Range / Values
task Type of operation Yes encode | decode
input inputFile Yes  
output outputFile Yes  
mode set compression mode No [0, 2], default: 2 (max)
dictionnary set dictionary No [0, 28], default: 23 (8 Mb)
fastbytes set number of fast bytes No [5, 255], default: 128
literalcontextbits set number of literal context bits No [0, 8], default: 3
literalposbits set number of literal pos bits No [0, 4], default: 0
posbits set number of literal pos bits No [0, 4], default: 2
matchfinder set Match Finder No [bt2, bt4, bt4b], default: bt4
endofstreammarker write End Of Stream marker No