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iconv -c -f gb18030 -t UTF-8 nCov_10k_test.csv > a

iconv -c -f GB2312 -t UTF-8 nCoV_900k_train.unlabled.csv > a && mv a nCoV_900k_train.unlabled.csv

python extrac_wb.py nCov_10k_test.csv  | tail -n+2 >> covid_wb
python extrac_wb.py nCoV_100k_train.labled.csv  | tail -n+2 >> covid_wb
python extrac_wb.py nCoV_900k_train.unlabled.csv  | tail -n+2 >> covid_wb

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原文：https://www.cnblogs.com/like1tree/p/12431482.html