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notsobad/escape.lua

Created July 16, 2015 16:41
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escape.lua
function escapeNonePrintable(_)
local fmt = string.format
return string.gsub(_, "[%z\1-\31,\127-\255]", function (x)
return fmt("\\%d",string.byte(x))
end)
end
print(escapeNonePrintable("a\tb\10c"))
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