Re: Reading a file from the back

From	Eric Pozharski <whynot@pozharski.name>
Newsgroups	comp.os.linux.misc
Subject	Re: Reading a file from the back
Date	2020-04-11 15:22 +0300
Organization	A noiseless patient Spider
Message-ID	<slrnr93djo.r2l.whynot@orphan.zombinet> (permalink)
References	<r6hq2v$5bd$2@dont-email.me> <r6i5kr$q9o$2@dont-email.me> <slrnr91hqg.8ub.jj@iridium.wf32df> <eli$2004101637@qaz.wtf>

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with <eli$2004101637@qaz.wtf> Eli the Bearded wrote:
> In comp.os.linux.misc, Jim Jackson  <jj@franjam.org.uk> wrote:
>> On 2020-04-07, Rich <rich@example.invalid> wrote:

>>>> What is that command?
>>> If by "from the end upwards" you really mean "backwards" (as in
>>> reverse byte order) then 'tac' is the command you are looking for.
*SKIP*
> perl -ne '$all .= $_; END{ print scalar reverse $all }'
*SKIP*
> optimized the perl for readibility, not speed or code golf

perl's 'reverse' is pretty much speed optimized for many releases now.
Unfoturnately I still don't have perl-zoo thus I can't show it.

-- 
Torvalds' goal for Linux is very simple: World Domination
Stallman's goal for GNU is even simpler: Freedom

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Reading a file from the back Dieter Britz <dieterhansbritz@gmail.com> - 2020-04-07 12:01 +0000
  Re: Reading a file from the back Vasco Costa <vasco.costa@invalid.invalid> - 2020-04-07 12:12 +0000
  Re: Reading a file from the back Fenris <fenris@invalid.invalid> - 2020-04-07 12:12 +0000
  Re: Reading a file from the back Rich <rich@example.invalid> - 2020-04-07 15:18 +0000
    Re: Reading a file from the back Jim Jackson <jj@franjam.org.uk> - 2020-04-10 19:21 +0000
      Re: Reading a file from the back Eli the Bearded <*@eli.users.panix.com> - 2020-04-10 20:37 +0000
        Re: Reading a file from the back Eric Pozharski <whynot@pozharski.name> - 2020-04-11 15:22 +0300
          Re: Reading a file from the back Eli the Bearded <*@eli.users.panix.com> - 2020-04-13 01:03 +0000
            Re: Reading a file from the back Eric Pozharski <whynot@pozharski.name> - 2020-04-13 11:16 +0300
              Re: Reading a file from the back Eli the Bearded <*@eli.users.panix.com> - 2020-04-13 20:01 +0000
                Re: Reading a file from the back Eric Pozharski <whynot@pozharski.name> - 2020-04-14 12:14 +0300
                Re: Reading a file from the back Eli the Bearded <*@eli.users.panix.com> - 2020-04-14 16:50 +0000
      Re: Reading a file from the back Rich <rich@example.invalid> - 2020-04-10 21:40 +0000
  Re: Reading a file from the back The Natural Philosopher <tnp@invalid.invalid> - 2020-04-08 08:55 +0100

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