Diff 文件存在于两个不同的目录中 [英] Diff files present in two different directories

问题描述

我有两个具有相同文件列表的目录.我需要使用 diff 命令比较两个目录中存在的所有文件.是否有一个简单的命令行选项可以做到这一点，或者我是否必须编写一个 shell 脚本来获取文件列表，然后遍历它们?

I have two directories with the same list of files. I need to compare all the files present in both the directories using the diff command. Is there a simple command line option to do it, or do I have to write a shell script to get the file listing and then iterate through them?

推荐答案

您可以使用 diff 命令:

diff -bur folder1/ folder2/

这将输出一个忽略空格的递归差异，具有统一的上下文:

This will output a recursive diff that ignore spaces, with a unified context:

• b 标志表示忽略空格
• u 标志表示统一上下文(前后 3 行)
• r 标志表示递归

• b flag means ignoring whitespace
• u flag means a unified context (3 lines before and after)
• r flag means recursive

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