如何删去重复行并保持顺序不变？
TUDOU01
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1#
发表于 2007-08-11 10:36
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TUDOU01
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1#
发表于 2007-08-11 10:36
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li-jiahuan
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2#
发表于 2007-08-11 11:45
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Roc.Ken
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3#
发表于 2007-08-11 11:56
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li-jiahuan
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4#
发表于 2007-08-11 12:23
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li-jiahuan
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5#
发表于 2007-08-11 12:26
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TUDOU01
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6#
发表于 2007-08-11 14:05
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li-jiahuan
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7#
发表于 2007-08-11 15:42
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dearvoid
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8#
发表于 2007-08-13 09:25
引用:原帖由 TUDOU01 于 2007-8-11 10:36 发表文本如下： I'm a student. You are a teacher. He is a farmer. He is a farmer. He is a farmer. We are workers. 将重复行找到，并删去只留一行，并且文本顺序不能改变，如何用sed实现? 
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dearvoid
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9#
发表于 2007-08-13 09:27
引用:原帖由 li-jiahuan 于 2007-8-11 15:42 发表怎么个方便法 
引用:-(dearvoid@LinuxEden:Forum)-(~/tmp)-[30959 0] ; cat file I'm a student. You are a teacher. He is a farmer. He is a farmer. He is a farmer. We are workers. -(dearvoid@LinuxEden:Forum)-(~/tmp)- [30959 0] ; awk '{ if (!seen[$0]++) { print $0; } }' file I'm a student. You are a teacher. He is a farmer. We are workers. -(dearvoid@LinuxEden:Forum)-(~/tmp)- [30959 0] ; bye |
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li-jiahuan
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10#
发表于 2007-08-13 16:29
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