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gzip over 2GB files please read
From: |
Linda Meyers |
Subject: |
gzip over 2GB files please read |
Date: |
Wed, 13 Feb 2002 13:58:54 -0800 (PST) |
I am concerned that I may not be getting all the correct files I need --
I've heard there are problems with gzip with files over 2GB -- following is a
scenario where I got gzip to compress a very large tar file, but am not sure if
it really worked.
following is history:
***********text file exists with files to be tarred:
-rw-r--r-- 1 wc_scm docusp 1732211 Feb 6 15:35 COvu.txt
***********create a tar file
tar cvfp - -I COvu.txt > test.tar
-rw-r--r-- 1 wc_scm docusp 3973160960 Feb 6 15:51 test.tar
************ unable to gzip the very large tarfile
prism:/cluster2/test{20} gzip -cv test.tar > test.tar.gz
test.tar: Value too large for defined data type
***** HOWEVER if the tar is created by sending to standard out - then going
through gzip -- it appears to work - Is it really working?? or will there be
problem files
tar cvfp - -I COvu.txt | gzip -cv > test.tar.gz
-rw-r--r-- 1 wc_scm docusp 1732211 Feb 6 15:35 COvu.txt
-rw-r--r-- 1 wc_scm docusp 2487908896 Feb 6 16:44 test.tar.gz
I use gzcat as follows:
gzcat test.tar.gz | tar xvf -
It appears to work -- but with so many files, there may be some corrupted that
I
do not know about.
I would very much appreciate anything you can you tell me about the above
instructions
Linda Meyers
Software Configuration Management
Xerox Corporation
310 333 3202
Linda.Meyers@usa.xerox.com
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