显示文件的行号

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  • nl
[root@localhost logs]# nl /application/nginx/conf/nginx.conf

注意,nl命令显示空白行,但是空白行不计数

  • cat   最常用
[root@localhost logs]# cat -n /etc/passwd|head -2
     1  root:x:0:0:root:/root:/bin/bash
     2  bin:x:1:1:bin:/bin:/sbin/nologin
  • less 
[root@localhost logs]# less -N /etc/passwd
  • grep 
[root@localhost logs]# grep -n . /etc/passwd|head -2
不匹配空白行
[root@localhost logs]# grep -n “.*” /etc/passwd|head -2
匹配空白行

.

  • awk
[root@localhost logs]# awk '{print NR,$0}' /etc/passwd|head -2

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转载自blog.csdn.net/qq_37120573/article/details/82432767