Dicpres Compressor #

A program that implements different compression methods: LZ-77, LZ-78, and LZW.

Implementation Notes #

LZ78 #

A control has been implemented for the minimum number of bits required to encode the integer in each tuple of the encoding.

LZW #

The encoding indices consist of a first byte that indicates the number of subsequent bytes containing the dictionary index number.

How to Use #

How to use the main program:

$ dicpres (mode) options input-file [output-file]

Options:

• --help: Displays this help text.
• -v: Activates verbose mode, displaying debugging information.

Mode:

• -c: Compresses.
• -e: Decompresses.

Methods:

• -lz78: Compresses using the LZ78 method (default).
• -lzw: Compresses using the LZW method.