[Cialug] Good File Compression Format For The Muggles?

Andrew Denner linux-list at upeke.com
Wed Jan 25 16:02:01 CST 2017


It all depends on the mail system, I have seen email systems that will
strip anything that looks like a .zip containing an exe. 7z files always
went through without a problem though.

On Wed, Jan 25, 2017 at 3:46 PM, kslaugh19 <kslaugh19 at gmail.com> wrote:

> You could always name the file something other than .zip.
> Tar -czvf file.tar.piz file1
> Then just have the end user edit the name back to .zip.
> It's extra steps but it bypasses the firewall...which can or cannot be a
> good thing...
> ^Rabid_Gerbil^
>
>
> Sent via the Samsung Galaxy S7 active, an AT&T 4G LTE smartphone
> -------- Original message --------From: David Champion <
> dchamp1337 at gmail.com> Date: 1/25/17  15:39  (GMT-06:00) To: Central Iowa
> Linux Users Group <cialug at cialug.org> Subject: Re: [Cialug] Good File
> Compression Format For The Muggles?
> Also: be aware that some people's firewalls and / or email filters may
> block .zip or other compressed or archived file extensions. Just another
> thing to keep in mind when you're planning to distribute files.
>
> -dc
>
> On Wed, Jan 25, 2017 at 2:40 PM, Jared Brees <fromj2sitsme at msn.com> wrote:
>
> > If the compression isn't a high enough ratio, pick what you want, and
> just
> > tell the Windows user they'll need 7-zip to open it. There aren't a lot
> of
> > options. Test it on a Windows system you own first, and send the
> > instructions to the user.
> >
> >
> > Jared Brees<http://me.relatedtotechnology.org/> - Squirrel Photographer<
> > http://squirrels.relatedtotechnology.org/>
> >
> >
> > ________________________________
> > From: cialug-bounces at cialug.org <cialug-bounces at cialug.org> on behalf of
> > Scott Yates <Scott at yatesframe.com>
> > Sent: Wednesday, January 25, 2017 2:20 PM
> > To: Central Iowa Linux Users Group
> > Subject: Re: [Cialug] Good File Compression Format For The Muggles?
> >
> > You are probably stuck with .zip for the everyday windows user.  Even
> then
> > they likely don't understand that it is not really a folder of files, as
> > windows presents it that way.
> >
> > On Wed, Jan 25, 2017 at 1:35 PM, Todd Walton <tdwalton at gmail.com> wrote:
> >
> > > I'm curious. What file compression formats do you have good luck with
> > > sending to people? I know that a client running Windows would be almost
> > > certainly sure to be able to open a Windows-compressed zip file. But I
> > > sometimes need better compression than that. When I send gzip zipped
> > files
> > > (.tar.gz) I usually get back "my app says your file is corrupted,
> dude".
> > > bzip2 isn't much better than gzip. What else? 7zip? Avoid non-default
> > > options?
> > >
> > > By the way, I found this informative page:
> > > https://blogs.reucon.com/srt/compression-gzip-vs-bzip2-vs-7-zip-8296/
> > >
> > > === Method...Size...Ratio...CompSpeed...DecompSpeed
> > > === gzip 89MB 54% 0m13s 0m05s
> > > === bzip2 81MB 49% 1m30s 0m20s
> > > === 7-zip 61MB 37% 1m48s 0m11s
> > >
> > > --
> > > Todd
> > > _______________________________________________
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> > > Cialug at cialug.org
> > > http://cialug.org/mailman/listinfo/cialug
> > >
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