# README

tac

Usage

local file = io.open("data.txt", "w")
file:write("1", "\n")
file:write("2", "\n")
file:write("3", "\n")

local tac = require("tac")
local scanner, err = tac.open("data.txt")
if err then error(err) end

while true do
    local line = scanner:line()
    if line == nil then break end
    print(line)
end
scanner:close()

-- Output:
-- 3
-- 2
-- 1

# Functions

Close lua tac_ud:close() close current file for tac.

Line

Line lua tac_ud:line() return next upper line: string or nil.

Loader

Loader is the module loader function.

Open

Open lua tac.open(filename) open filename for tac scan returns (tac_ud, err).

Preload

Preload adds tac to the given Lua state's package.preload table.