如何用diff比较两个文件夹下的内容？？

[butter0000]

在shell下面，如何用diff比较两个文件夹下的内容？？

[帅得不敢出门]

如果是图形界面可以用meld

shell下, 一是比较文件夹下子文件, 不一样的文件名就是不同, 相同文件名的, 如果是文件夹可以选择递归进去. 如果是文件就是正常的diff比较.

我一般用diff -uN a b

[xunxun]

我似乎前几天回复过了

diff -ruNa s1 s2

[ch_984326013]

diff -uN c1 c2

[cqbamboo]

[Quote=引用 2 楼 xunxun1982 的回复:]

我似乎前几天回复过了

diff -ruNa s1 s2
[/Quote]
你的方法不错，学习了！

sandbox$ tree
.
|-- dir1
|   |-- a.txt
|   `-- b.txt
`-- dir2
    |-- b.txt
    `-- c.txt

2 directories, 4 files
sandbox$ diff -ruNa dir1 dir2
diff -ruNa dir1/a.txt dir2/a.txt
--- dir1/a.txt	2011-08-24 22:44:36.000000000 +0800
+++ dir2/a.txt	1970-01-01 08:00:00.000000000 +0800
@@ -1 +0,0 @@
-this is a.txt
diff -ruNa dir1/b.txt dir2/b.txt
--- dir1/b.txt	2011-08-24 22:44:45.000000000 +0800
+++ dir2/b.txt	2011-08-24 22:44:57.000000000 +0800
@@ -1 +1 @@
-this is b.txt
+this is b2 txt.
diff -ruNa dir1/c.txt dir2/c.txt
--- dir1/c.txt	1970-01-01 08:00:00.000000000 +0800
+++ dir2/c.txt	2011-08-24 22:45:07.000000000 +0800
@@ -0,0 +1 @@
+this is c txt.
sandbox$