[Info-vax] VSI Community License Program Update

[John H. Reinhardt]

On 8/14/2020 10:24 AM, Steven Schweda wrote:
>> ZIPEXE may be self extracting, but aren't they still ZIP
>> compatible meaning that UNZIP can still process them?
> 
>     They are, and Info-ZIP UNZIP (and other unzip programs) can.
> 
>     Of course, the maker failed to use "zip -a"
> (/ADJUST_OFFSETS) after appending the archive to the
> unzipsfx executable, so you tend to get complaints like the
> followinf (on a Mac):
> 
> proa$ unzip -l  I640842L1U1.ZIPEXE
> Archive:  I640842L1U1.ZIPEXE
> warning [I640842L1U1.ZIPEXE]:  220160 extra bytes at beginning or within zipfile
>    (attempting to process anyway)
>    Length      Date    Time    Name
> ---------  ---------- -----   ----
> 3009609728  08-01-2019 13:56   I640842L1U1.ISO
>        540  08-01-2019 14:01   I640842L1U1.ISO_VNC
> ---------                     -------
> 3009610268                     2 files
> 

That's good to know.  I tried unzipping them on my Mac using "The Unarchiver" but it complained that it was a non-standard format and quit.  I wrongly assumed that they were not unzippable on other platforms than VMS.  I didn't try Stuffit nor plain old zip on the command line.

-- 
John H. Reinhardt