Re: Script to conditionally find and compress files recursively

On Tue, 11 Jun 2024, J Newman wrote:

Hi, I'm interested in writing a script that will:
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1. Find and compress files recursively
2. After the first 5 seconds of compressing, if the compression ratio >1 (i.e. the compressed file will be larger than the uncompressed file), it tries another compression algorithm.
3. If the other compression algorithm still has a ratio >1, it tries another algorithm, until a list is exhausted.
4. If the list is exhausted, it skips compressing that file.
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Any suggestions on how to proceed?
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Difficult to estimate compression ratio without analyzing the entire file. In theory you could say something based on the file type, but that's the best I can come up with.