Re: Script to conditionally find and compress files recursively

From	Anssi Saari <anssi.saari@usenet.mail.kapsi.fi>
Newsgroups	comp.os.linux.misc
Subject	Re: Script to conditionally find and compress files recursively
Date	2024-06-13 10:13 +0300
Organization	An impatient and LOUD arachnid
Message-ID	<sm05xudwc1b.fsf@lakka.kapsi.fi> (permalink)
References	<v48s96$u6fg$1@dont-email.me> <v4b46s$7dh$1@tncsrv09.home.tnetconsulting.net> <v4dtdt$23kjq$1@dont-email.me>

Show all headers | View raw

J Newman <jenniferkatenewman@gmail.com> writes:

> It's true that you cannot tell within the first 5 seconds what the
> ultimate compression ratio will be, but it seems to me (from
> compressing avi/mp4/mov files with lzma -9evv) that you can tell
> within +/- 5% to a high degree of confidence, what the ultimate
> compression ratio will be given the first 5 seconds.

Well then, I believe the solution was already posted. Grab 5% of your
files with dd and see how it compresses. 

I'm a little curious, what kind of space savings do you expect to get by
doing this? And wouldn't it make more sense to re-encode for lower
bitrate if space saving is your goal?

Back to comp.os.linux.misc | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Script to conditionally find and compress files recursively J Newman <jenniferkatenewman@gmail.com> - 2024-06-11 14:53 +0800
  Re: Script to conditionally find and compress files recursively D <nospam@example.net> - 2024-06-11 10:51 +0200
  Re: Script to conditionally find and compress files recursively Joe Beanfish <joebeanfish@nospam.duh> - 2024-06-11 14:58 +0000
  Re: Script to conditionally find and compress files recursively Grant Taylor <gtaylor@tnetconsulting.net> - 2024-06-11 22:21 -0500
    Re: Script to conditionally find and compress files recursively Richard Kettlewell <invalid@invalid.invalid> - 2024-06-12 08:17 +0100
      Re: Script to conditionally find and compress files recursively D <nospam@example.net> - 2024-06-12 10:13 +0200
        Re: Script to conditionally find and compress files recursively J Newman <jenniferkatenewman@gmail.com> - 2024-06-13 12:46 +0800
          Re: Script to conditionally find and compress files recursively D <nospam@example.net> - 2024-06-13 11:55 +0200
            Re: Script to conditionally find and compress files recursively Grant Taylor <gtaylor@tnetconsulting.net> - 2024-06-13 22:35 -0500
              Re: Script to conditionally find and compress files recursively D <nospam@example.net> - 2024-06-14 11:07 +0200
    Re: Script to conditionally find and compress files recursively J Newman <jenniferkatenewman@gmail.com> - 2024-06-13 12:43 +0800
      Re: Script to conditionally find and compress files recursively Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2024-06-13 10:13 +0300
        Re: Script to conditionally find and compress files recursively D <nospam@example.net> - 2024-06-13 11:55 +0200
        Re: Script to conditionally find and compress files recursively not@telling.you.invalid (Computer Nerd Kev) - 2024-06-14 09:06 +1000
          Re: Script to conditionally find and compress files recursively not@telling.you.invalid (Computer Nerd Kev) - 2024-06-14 12:25 +1000
  Re: Script to conditionally find and compress files recursively J Newman <jenniferkatenewman@gmail.com> - 2024-06-15 11:30 +0800

csiph-web