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From: Richard Kettlewell <invalid@invalid.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: Script to conditionally find and compress files recursively
Date: Wed, 12 Jun 2024 08:17:11 +0100
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Grant Taylor <gtaylor@tnetconsulting.net> writes:
> On 6/11/24 01:53, J Newman wrote:
>> Any suggestions on how to proceed?
>
> As others have said, it's very difficult to tell within the first five
> seconds what the ultimate compression ratio will be.

Not just difficult but impossible in general: the input file could
change character in its second half, switching the overall result from
that that is (for example) a gzip win to an xz win.

-- 
https://www.greenend.org.uk/rjk/