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RE: gzip for V6R1 that supports large files



fixed

Thanks,
A port of 7zip or ARP zip is just what I was after. I'll check them out .
My surfing must be wanting since I failed to hit on either over the last few days.

Peter

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Charles Wilt
Sent: Tuesday, 18 March 2014 1:40 a.m.
To: Midrange Systems Technical Discussion
Subject: Re: gzip for V6R1 that supports large files

Try Scott Klement's port of 7zip...
http://www.scottklement.com/p7zip/

Charles


On Mon, Mar 17, 2014 at 5:18 AM, Peter Connell <Peter.Connell@xxxxxxxxxx>wrote:

I'm on V6R1 and I'm zipping via QShell using an old version of the zip
command from INFO-zip but it croaks on files > 2Gb so I split the
files first then FTP them to a Windows Server where I join them back
together after unzipping them.

I've heard that JDK 1.7 supports unlimited sizes when compressing via
the jar command. I have confirmed that JDK1.7 on Windows successfully
extracts large files from a jar file but my i5/OS is V6R1 and it
appears that JDK1.7 is not supported until V7R1.

I've also read that more recent versions of gzip use ustar headers
that support at least 8Gb. However, my file is 80Gb so does anyone
know of a version of gzip that does not suffer from a size limit and
if so, where can I get a binary version that can run directly on i5.

I thought I had cracked it by writing an RPGLE that writes a large
file to STDOUT and then used QShell system command to call the program
and pipe it into the zip command. This appeared to result in the
entire large file being zipped but the Windows machine failed because
it found a mismatch between size attributes stored in the zip file.

Any other ideas would be appreciated.

Peter





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