string扩展模块新增一个按字符数读+截取的方法
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@@ -197,6 +197,9 @@ function STRING.readLine(str)
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return str,""
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end
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end
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function STRING.readChars(str,n)
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return sub(str,1,n),sub(str,n+1)
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end
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function STRING.packBin(s)
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return data.encode('string','base64',data.compress('string','zlib',s))
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