Zoo filter format

Zoo filter format is a compressed file format related to the Zoo archive format. It is a streamable format, intended to be used e.g. in Unix-style pipes.

Support for it was introduced in Zoo 2.00, as a compile-time option. It does not appear to be enabled in the DOS releases of Zoo.

The filter format is distinct from Zoo Z format.

Refer to the Zoo article for information related to the Zoo format and software.

Discussion
The format is a simple container format consisting of a two-byte signature, then the compressed data, then a CRC.

The compression method is either LZD or LZH. It is not recorded in the datastream. You must use the " " option to compress or decompress LZH.

To compress, use " " or " ". To decompress, use " " or " ".

Identification
Files start with bytes.

Software
Refer to Zoo.