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I want to remove all the files containes in hadoop directory, without removing the directory itself. I've tried using rm -r but it removed the whole directory.
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rm: Remove a file from HDFS, similar to Unix rm command. This command does not delete directories. For recursive delete, use command -rm -r .
You can use the FileUtils. cleanDirectory() method to recursively delete all files and subdirectories within a directory, without deleting the directory itself. To delete a directory recursively and everything in it, you can use the FileUtils.
13. expunge: This command is used to empty the trash available in an HDFS system.
Please include a wildcard character * after the desired folder you want to delete, to avoid deleting the parent folder. Please look at the example below:
hdfs dfs -rm -r /home/user/folder/* referring to the previous answer, you need to quote the asterisk: hdfs dfs -rm -r "/home/user/folder/*"
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