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gzip -l (--list) incorrect uncompressed size displayed
From: |
Pete Lancashire |
Subject: |
gzip -l (--list) incorrect uncompressed size displayed |
Date: |
Thu, 27 Sep 2007 09:23:48 -0700 (PDT) |
User-agent: |
SquirrelMail/1.4.7-4.fc4 |
Hello,
The system, version etc
# cat /proc/version
Linux version 2.6.9-42.0.3.ELsmp (address@hidden) (gcc version 3.4.6
20060404 (Red Hat 3.4.6-3)) #1 SMP Fri Oct 6 06:21:39 CDT 2006
# /usr/local/tmp/gzip-1.3.12/gzip --version
gzip 1.3.12
Copyright (C) 2007 Free Software Foundation, Inc.
Copyright (C) 1993 Jean-loup Gailly.
This is free software. You may redistribute copies of it under the terms of
the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
There is NO WARRANTY, to the extent permitted by law.
Written by Jean-loup Gailly.
# gcc --version
gcc (GCC) 3.4.6 20060404 (Red Hat 3.4.6-8)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
example uncompressed files
(commas added for readability)
# ls -l sr3.data[12]
-rw-r----- 1 1007 1001 20,971,528,192 Sep 2 03:55 sr3.data1
-rw-r----- 1 1007 1001 20,971,528,192 Sep 2 04:43 sr3.data2
# /usr/local/tmp/gzip-1.3.12/gzip --verbose sr3.data[12]
sr3.data1: 90.5% -- replaced with sr3.data1.gz
sr3.data2: 91.5% -- replaced with sr3.data2.gz
# ls -l sr3.data[12].gz
-rw-r----- 1 1007 1001 1,990,844,425 Sep 27 09:04 sr3.data1.gz
-rw-r----- 1 1007 1001 1,792,223,940 Sep 27 2007 sr3.data2.gz
and the error ...
# /usr/local/tmp/gzip-1.3.12/gzip --list sr3.data[12].gz
compressed uncompressed ratio uncompressed_name
1990844425 3791659008 47.5% sr3.data1
error -> ^^^^^^^^^^
1792223940 3791659008 52.7% sr3.data2
^^^^^^^^^^
3783068365 7583318016 50.1% (totals)
-pete
- gzip -l (--list) incorrect uncompressed size displayed,
Pete Lancashire <=