先把日志文件置空,在取
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@ -1719,7 +1719,7 @@ int hg_scanner_239::get_device_log(string &logpath)
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return ret;
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ofstream f;
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f.open(save_path,ios::out | ios::app);
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f.open(save_path,ios::out | ios::trunc);
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if (!f.is_open())
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return SCANNER_ERR_CREATE_FILE_FAILED;
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