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#1 2014-12-21 09:37:51
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linux sort -u 用来清除重复的行
sort a.txt one:1 three:3 two:2 two:2 [root@qd ~]# sort -u a.txt one:1 three:3 two:2
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sort a.txt one:1 three:3 two:2 two:2 [root@qd ~]# sort -u a.txt one:1 three:3 two:2
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