[TriLUG] Strangeness in the Zip-world

[shay walters via TriLUG]

Aside from Mac or Win, you could try gunzip or p7zip under linux.  Since
you had some earlier files that would unzip OK, maybe a system update had
updated the zip software and broken it at some recent point.  Or perhaps
the unzip package was what got broken.  That's why I suggested trying
something else to determine if the zip fie is bad (indicating the zip
package is broken) or whether the unzip package is broken.

Anyway, hope that helps.

On Wed, Jul 3, 2019 at 5:53 PM William Sutton <william at trilug.org> wrote:

> Also curious what `file` says it is compared with a file created on the
> system you're trying to unzip on.
>
> William Sutton
>
> On Wed, 3 Jul 2019, shay walters via TriLUG wrote:
>
> > Could it be that the program creating the zip file has an issue?  Have
> you
> > tried to unzip the file on a different platform to determine if the zip
> > file is corrupt?
> >
> > -Shay
> >
> >
> >
> > On Wed, Jul 3, 2019 at 2:50 PM Brian McCullough via TriLUG <
> > trilug at trilug.org> wrote:
> >
> >>
> >> Folks,
> >>
> >> I have just started running into an issue where my old, tried and true,
> >> unzip in Debian 9 will not unzip ( new ) zip files that I am finding.
> >>
> >> I don't think that they are Windows zip files, since they are hosted on,
> >> and generated by, a Linux ( Debian ) machine with PHP 7.2.
> >>
> >> When I try to use unzip on these files, I get:
> >>
> >> Archive:  t1.zip
> >>   End-of-central-directory signature not found.  Either this file is not
> >>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
> >>   latter case the central directory and zipfile comment will be found on
> >>   the last disk(s) of this archive.
> >> unzip:  cannot find zipfile directory in one of t1.zip or
> >>         t1.zip.zip, and cannot find t1.zip.ZIP, period.
> >>
> >>
> >>
> >> This is a stand-alone file, definitely not part of a multi-part archive,
> >> with unzip running on a Debian 9 system.  I have had the same experience
> >> with all files that I try.  I can successfully unzip other files that
> >> were on my system already.
> >>
> >>
> >> Any suggestions?
> >>
> >>
> >> Thanks,
> >> Brian
> >>
> >> --
> >> This message was sent to: Shay Walters <shaywalters at gmail.com>
> >> To unsubscribe, send a blank message to trilug-leave at trilug.org from
> that
> >> address.
> >> TriLUG mailing list : https://www.trilug.org/mailman/listinfo/trilug
> >> Unsubscribe or edit options on the web  :
> >> https://www.trilug.org/mailman/options/trilug/shaywalters%40gmail.com
> >> Welcome to TriLUG: https://trilug.org/welcome
> > --
> > This message was sent to: William <william at trilug.org>
> > To unsubscribe, send a blank message to trilug-leave at trilug.org from
> that address.
> > TriLUG mailing list : https://www.trilug.org/mailman/listinfo/trilug
> > Unsubscribe or edit options on the web        :
> https://www.trilug.org/mailman/options/trilug/william%40trilug.org
> > Welcome to TriLUG: https://trilug.org/welcome
>