查看 文件 行数 linux,linux查看文件行号的七种方法
文件内容如下,要求显示文件内容对应的行号[root@gaoyang ~ 13:01:16]# cat 123.txt
name:i am gaoyang
birthday:19961025
what the fuck!!!!
1、cat -n 123.txt[root@gaoyang ~ 13:54:38]# cat -n 123.txt
1name:i am gaoyang
2
3birthday:19961025
4
5what the fuck!!!!
2、nl 123.txt[root@gaoyang ~ 13:57:56]# nl 123.txt #===>不显示空行
1name:i am gaoyang
2birthday:19961025
3what the fuck!!!!
3、grep -n ".*" 123.txt[root@gaoyang ~ 13:58:56]# grep -n ".*" 123.txt
1:name:i am gaoyang
2:
3:birthday:19961025
4:
5:what the fuck!!!!
4、awk '{print NR,$0}' 123.txt[root@gaoyang ~ 14:01:15]# awk '{print NR,$0}' 123.txt
1 name:i am gaoyang
2
3 birthday:19961025
4
5 what the fuck!!!!
5、less -N 123.txt[root@gaoyang ~ 14:01:19]# less -N 123.txt
1 name:i am gaoyang
2
3 birthday:19961025
4
5 what the fuck!!!!
123.txt (END)
6、sed '=' 123.txt |sed 'N;s#\n# #g'[root@gaoyang ~ 14:02:23]# sed '=' 123.txt |sed 'N;s#\n# #g'
1 name:i am gaoyang
2
3 birthday:19961025
4
5 what the fuck!!!!
7、vim 123.txt :set nu1 name:i am gaoyang
2
3 birthday:19961025
4
5 what the fuck!!!!
:set nu
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