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Lachie Chapman lost-RD
inmatarian
/ lzw.lua
Created
December 27, 2014 02:14
LZW Compression in Lua, rosetta-code style, also includes a 8-bit only mode for 7bit plain text strings.
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| local lzw = {} | |
| local function enc_reset(dict, size) | |
| for k, _ in pairs(dict) do dict[k] = nil end | |
| for i = 0, size-1 do dict[string.char(i)] = i end | |
| return dict | |
| end | |
| local function dec_reset(dict, size) | |
| for k, _ in pairs(dict) do dict[k] = nil end |