linux awk命令统计多个文件的总行数

1、测试数据

root@DESKTOP-1N42TVH:/home/test# ls
test.txt  test2.txt
root@DESKTOP-1N42TVH:/home/test# cat test.txt
a 3 d
s 1 j
z c m
q e i
3 4 k
h f 3
root@DESKTOP-1N42TVH:/home/test# cat test2.txt
a 3 d
s 1 j
z c m
q e i
3 4 k
h f 3
root@DESKTOP-1N42TVH:/home/test# awk '{print NR}' test.txt test2.txt  ## 生成两个文件总的索引
1
2
3
4
5
6
7
8
9
10
11
12
root@DESKTOP-1N42TVH:/home/test# awk 'END{print NR}' test.txt test2.txt   ## 统计两个文件的总行数
12

root@DESKTOP-1N42TVH:/home/test# awk '{print FNR}' test.txt test2.txt
1
2
3
4
5
6
1
2
3
4
5
6