Re: decompressing large zip files

On Wed, 22 May 2019 10:19:58 +1200, Peter Reutemann wrote:

> unzip -q file.zip
> warning [file.zip]:  810575875 extra bytes at beginning or within
> zipfile (attempting to process anyway)
> error [file.zip]:  start of central directory not found;
>   zipfile corrupt.
>   (please check that you have transferred or created the zipfile in
> the appropriate BINARY mode and that you have compiled UnZip properly)

This is the version info for my zip and unzip executables. Note the
“ZIP64_SUPPORT” flag:

----
ldo@theon:~> zip -v
Copyright (c) 1990-2008 Info-ZIP - Type 'zip "-L"' for software license.
This is Zip 3.0 (July 5th 2008), by Info-ZIP.
Currently maintained by E. Gordon.  Please send bug reports to
the authors using the web page at www.info-zip.org; see README for details.

Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip,
as of above date; see http://www.info-zip.org/ for other sites.

Compiled with gcc 6.3.0 20170221 for Unix (Linux ELF).

Zip special compilation options:
        USE_EF_UT_TIME       (store Universal Time)
        BZIP2_SUPPORT        (bzip2 library version 1.0.6, 6-Sept-2010)
            bzip2 code and library copyright (c) Julian R Seward
            (See the bzip2 license for terms of use)
        SYMLINK_SUPPORT      (symbolic links supported)
        LARGE_FILE_SUPPORT   (can read and write large files on file system)
        ZIP64_SUPPORT        (use Zip64 to store large files in archives)
        UNICODE_SUPPORT      (store and read UTF-8 Unicode paths)
        STORE_UNIX_UIDs_GIDs (store UID/GID sizes/values using new extra field)
        UIDGID_NOT_16BIT     (old Unix 16-bit UID/GID extra field not used)
        [encryption, version 2.91 of 05 Jan 2007] (modified for Zip 3)

Encryption notice:
        The encryption code of this program is not copyrighted and is
        put in the public domain.  It was originally written in Europe
        and, to the best of our knowledge, can be freely distributed
        in both source and object forms from any country, including
        the USA under License Exception TSU of the U.S. Export
        Administration Regulations (section 740.13(e)) of 6 June 2002.

Zip environment options:
             ZIP:  [none]
          ZIPOPT:  [none]

ldo@theon:~> unzip -v
UnZip 6.00 of 20 April 2009, by Debian. Original by Info-ZIP.

Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip/ ;
see ftp://ftp.info-zip.org/pub/infozip/UnZip.html for other sites.

Compiled with gcc 8.2.1 20190204 for Unix (Linux ELF).

UnZip special compilation options:
        ACORN_FTYPE_NFS
        COPYRIGHT_CLEAN (PKZIP 0.9x unreducing method not supported)
        SET_DIR_ATTRIB
        SYMLINKS (symbolic links supported, if RTL and file system permit)
        TIMESTAMP
        UNIXBACKUP
        USE_EF_UT_TIME
        USE_UNSHRINK (PKZIP/Zip 1.x unshrinking method supported)
        USE_DEFLATE64 (PKZIP 4.x Deflate64(tm) supported)
        UNICODE_SUPPORT [wide-chars, char coding: UTF-8] (handle UTF-8 paths)
        LARGE_FILE_SUPPORT (large files over 2 GiB supported)
        ZIP64_SUPPORT (archives using Zip64 for large files supported)
        USE_BZIP2 (PKZIP 4.6+, using bzip2 lib version 1.0.6, 6-Sept-2010)
        VMS_TEXT_CONV
        WILD_STOP_AT_DIR
        [decryption, version 2.11 of 05 Jan 2007]

UnZip and ZipInfo environment options:
           UNZIP:  [none]
        UNZIPOPT:  [none]
         ZIPINFO:  [none]
      ZIPINFOOPT:  [none]

----
Also, info about my installed “zip” and “unzip” packages:

in zip                            amd64  3.0-11 Archiver for .zip files
 This is InfoZIP
in unzip                          amd64  6.0-22 De-archiver for .zip files
 InfoZIP's un
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