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- # shell里的按行计数
- 统计某一列的计数,常用awk,也可以用uniq来做
- ```
- # 用awk
- wang@xxx ~ $ cat /etc/passwd|awk -F':' '{print $7}'|sort |uniq -c
- 25 /bin/bash
- 9 /bin/false
- 1 /bin/sync
- 2 /bin/zsh
- 1 /sbin/halt
- 26 /sbin/nologin
- 1 /sbin/shutdown
- # 用sort, uniq
- wang@xxx ~ $ cat /etc/passwd|awk -F':' '{print $7}'|sort |uniq -c
- 25 /bin/bash
- 9 /bin/false
- 1 /bin/sync
- 2 /bin/zsh
- 1 /sbin/halt
- 26 /sbin/nologin
- 1 /sbin/shutdown
- ```
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