blob: ea157c4eb5287e8796d674eed8751a51f38700fd (
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local source = ltn12.source.file(io.stdin)
local sink = ltn12.sink.file(io.stdout)
local convert
if arg and arg[1] == '-d' then
convert = mime.decode("base64")
else
local base64 = mime.encode("base64")
local wrap = mime.wrap()
convert = ltn12.filter.chain(base64, wrap)
end
source = ltn12.source.chain(source, convert)
ltn12.pump(source, sink)
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