摘要: ```shell # root @ c7bit1 in ~ [16:43:40] $ cat test a b c d b g # root @ c7bit1 in ~ [16:46:27] C:2 $ awk '!x[$0]++' test a b c d g 解释: a[$0]: look at the value of key $0, in associative array ... 阅读全文
posted @ 2019-02-01 16:49 泽锦 阅读(486) 评论(0) 推荐(0) 编辑