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I need to change the compression level for BZIP2 compression with tar. I found that we can set the compression level and run the tar command to compress. I tried different compression levels using the following command, but it seems like BZIP2=-<compression level> does not change the compression level.

BZIP2=-1
tar -cjvf <output_file> <input_file>

How to do it correctly?

Malintha
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1 Answers1

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Since you tagged this "linux", I will assume that you are using GNU tar. Then you can give the compression command with options using -I:

tar -I="bzip2 -1" -cvf out.tar.bz2 files
Mark Adler
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