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I am using the diff command to compare directory and subdirectories' files like so:

 diff -bBE ./dir/* ../parent/dir/* >> diff.txt

But I am getting that : 

 diff: extra operand `./dir/somefile'

The two directory and subdirectories' files are structured exactly the same way but their content is different. I don't know what I am missing.

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1 回答 1

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* is expanded by the shell, becoming (potentially) multiple arguments to diff. Just get rid of the *s; diff already knows how to handle directories.

于 2013-01-06T15:12:24.140 回答