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OC-KittenOS/inst/libs/frw.lua
2020-03-30 17:55:20 +01:00

31 lines
674 B
Lua

-- This is released into the public domain.
-- No warranty is provided, implied or otherwise.
return {
read = function (fn)
local f = io.open(fn, "rb")
local d = f:read("*a")
f:close()
return d
end,
write = function (fn, data)
local f = io.open(fn, "wb")
f:write(data)
f:close()
end,
progress = function ()
io.stderr:write("00% \\")
local lastPercent = 0
local chr = 0
return function (fraction)
local percent = math.ceil(fraction * 100)
if percent ~= lastPercent then
lastPercent = percent
chr = (chr + 1) % 4
io.stderr:write(string.format("\8\8\8\8\8%02i%% %s", percent, ("\\|/-"):sub(chr + 1, chr + 1)))
end
end
end
}