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
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