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I have a directory named classes which contains a lot of sub-directories - 

classes  
  |-security  
  |-registration  
  |-service  
 ....

Each of these directory contains a lot of java files and their compiled classes files. I want to remove all the class file.

Going to classes directory I can list out all the class file using find command - 

$ find . -name *.class

Is there any command in linux to remove all the classes file under the classes directory.

HassanF
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2 Answers2

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The usual answer uses the -exec option of find:

find . -name "*.class" -exec rm {} \;

Be sure to quote the wildcard, to ensure that it is passed into find (rather than globbed by the shell, first).

For further discussion, see these questions:

Community
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Thomas Dickey
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Use xargs with pipe lining - 

$ find . -name *.class | xargs rm *
Razib
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    Mind to explain this a bit? Although, you are not using xargs, but a pipe to rm, which isn't necessary and may slow things down when compared to `-exec rm`. – Markus W Mahlberg Mar 15 '15 at 11:01