给定两个目录树如何找到相同的文件? [英] given two directory trees how to find which files are the same?

问题描述

我正在编写bash脚本，我想知道两个目录树中的哪些文件相同.

I am writing a bash script, and I would like to know which files are the same in two directory trees.

这与使用diff相反.

It would be the opposite of using diff.

好吧，我自己找到了答案.我以前曾经尝试过，但是我认为它不起作用.

Well i found the answer myself. I had tried it before, but I thought it did not work.

diff -srq dir1/ dir2/ | grep identical

推荐答案

好吧，我自己找到了答案.我以前曾经尝试过，但是我认为它不起作用.

Well i found the answer myself. I had tried it before, but I thought it did not work.

diff -srq dir1/ dir2/ | grep identical

-srq 是什么意思?来自 diff --help :

-s  --report-identical-files  Report when two files are the same.
-r  --recursive  Recursively compare any subdirectories found.
-q  --brief  Output only whether files differ.

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