作者：闹闹依旧不闹 | 来源：互联网 | 2023-06-02 15:12
dir1下有个log_1.logdir2下有个log_2.log两个文件如下：p_ylwu@VM_194_111_sles10_64:homejdxochenexercise>
dir1下有个log_1.log dir2下有个log_2.log 两个文件如下：
p_ylwu@VM_194_111_sles10_64:/home/jdxochen/exercise> cat -v dir1/log_1.log
1
3
5
7
9
0
p_ylwu@VM_194_111_sles10_64:/home/jdxochen/exercise> cat -v dir2/log_2.log
2
4
6
8
0
0
若想看详细的内容区别 使用diff -urNa dir1 dir2
参数说明：
-a Treat all files as text and compare them
line-by-line, even if they do not seem to be text.
-N, --new-file
In directory comparison, if a file is found in
only one directory, treat it as present but empty
in the other directory.
-r When comparing directories, recursively compare
any subdirectories found.
-u Use the unified output format.
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