文件wk
northwest NW Joel Craig 3.0 .98 3 4
western WE Sharon Kelly 5.3 .97 5 23
southwest SW Chris Foster 2.7 .8 2 18
southern SO May Chin 5.1 .95 4 15
southeast SE Derek Johnson 4.0 .7 4 17
eastern EA Susan Beal 4.4 .84 5 20
northeast NE TJ Nichols 5.1 .94 3 13
north NO Val Shultz 4.5 .89 5 9
central CT Sheri Watson 5.7 .94 5 13
用命令sed 's/ \([A-Z][a-z]*\) \([A-Z][a-z]* \)/ \2 \1/g' wk
怎么会是northwest Joel NWCraig 3.0 .98 3 4
western Sharon WEKelly 5.3 .97 5 23
southwest Chris SWFoster 2.7 .8 2 18
southern May SOChin 5.1 .95 4 15
southeast Derek SEJohnson 4.0 .7 4 17
eastern Susan EABeal 4.4 .84 5 20
northeast TJ NENichols 5.1 .94 3 13
north Val NOShultz 4.5 .89 5 9
central Sheri CTWatson 5.7 .94 5 13呢？
我希望是名字和姓倒过来。
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