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15 lines
410 B
Lua
15 lines
410 B
Lua
require("ltn12")
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require("mime")
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local source = ltn12.source.file(io.stdin)
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local sink = ltn12.sink.file(io.stdout)
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local convert
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if arg and arg[1] == '-d' then
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convert = mime.decode("base64")
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else
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local base64 = mime.encode("base64")
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local wrap = mime.wrap()
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convert = ltn12.filter.chain(base64, wrap)
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end
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source = ltn12.source.chain(source, convert)
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repeat until not ltn12.pump(source, sink)
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