Linux 如何查看压缩文件的内容
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How can I view a compressed file content
提问by Jury A
I have a very large file as: filename.bz2, how can I view the file content and do some commands like awkto extract some data into another file without decompress it ? I tried head -50 filename.bz2to view the first 50 lines, but it prints out rubbish and not the what I supposed to view from the file.
我有一个非常大的文件：filename.bz2，如何查看文件内容并执行一些命令，例如awk将一些数据提取到另一个文件中而不解压缩？我试图head -50 filename.bz2查看前 50 行，但它打印出垃圾而不是我应该从文件中查看的内容。
采纳答案by Lev Levitsky
You can use bzcatand pipe its output to awkor whatever tool you use, but it is essentially nothing different from extracting a file and then processing it.
您可以使用bzcat它的输出并将其通过管道传输到awk您使用的任何工具，但这与提取文件然后处理它本质上没有什么不同。
$ echo '1' > test
$ bzip2 test
$ bzcat test.bz2
1
