打开csv文件,可以利用emacs对缓冲区里面的数据进行排序。选择区域内按行增序排序原始数据为5.1,3.5,1.4,0.2,Iris-setosa
4.9,3.0,1.4,0.2,Iris-setosa
4.7,3.2,1.3,0.2,Iris-setosa
4.6,3.1,1.5,0.2,Iris-setosa
5.0,3.6,1.4,0.2,Iris-setosa
5.4,3.9,1.7,0.4,Iris-setosa
4.6,3.4,1.4,0.3,Iris-setosa
5.0,3.4,1.5,0.2,Iris-setosa
4.4,2.9,1.4,0.2,Iris-setosa
4.9,3.1,1.5,0.1,Iris-setosa
5.4,3.7,1.5,0.2,Iris-setosa
4.8,3.4,1.6,0.2,Iris-setosa
4.8,3.0,1.4,0.1,Iris-setosaC-x h选择全部数据做为区域后(C-x h换成C-@ 就可以选择部分区域),M-x sort-lines, 排序结果为:4.3,3.0,1.1,0.1,Iris-setosa
4.4,2.9,1.4,0.2,Iris-setosa
4.4,3.0,1.3,0.2,Iris-setosa
4.4,3.2,1.3,0.2,Iris-setosa
4.5,2.3,1.3,0.3,I
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