and changing the attribute file = unlimited will resolve the purpose and so i can gunzip the .zip file using the below command successfully:
Code:
server1:/home/arun# gunzip -S .zip HOTEL_INFO.zip
Please advise whether ulimit -f unlimited is the appropriate command as to execute from 'root' id? since i dont have authorization to perform this action.
Or advise me, which is the appropritae command/what actually restricting me from ding this?
FYI, the user id here is LDAP maintained and not local.
Thanks.
Last edited by Arunprasad; 06-03-2010 at 07:52 AM..
Reason: forget to add one more point
Thanks a lot for the info!
It seems the !gunzip also works with ".gzip" or ".gz" file. And i surfed around and found that
Code:
gunzip -S .zip HOTEL_INFO.zip
this command will work but got error.
I believe this is something i need to do with ulimit. i suspect that i need to change the file(blocks) unlimited by the command:
Code:
ulimit -f unlimited
correct me if i am wrong and also advise how a root id can perform this change to unlimited (using what command) and advise is tere any other way to get it done.
Thanks!
Last edited by Arunprasad; 06-03-2010 at 09:50 AM..
Reason: forget to add code tags
Thanks a lot for the info!
It seems the !gunzip also works with ".gzip" or ".gz" file. And i surfed around and found that
Code:
server1:/home/arun# gunzip -S .zip HOTEL_INFO.zip
gunzip: HOTEL_INFO.zip: first entry not deflated or stored -- use unzip
From the gunzip, man page,
Code:
Files created by zip can be uncompressed by gzip only if they have a
single member compressed with the 'deflation' method. This feature is
only intended to help conversion of tar.zip files to the tar.gz
format. To extract a zip file with a single member, use a command
like gunzip <foo.zip or gunzip -S .zip foo.zip. To extract zip files
with several members, use unzip instead of gunzip.
you seems to be root, its easy to install unzip.
Or check if its available on any other server (probably linux) . If so, ftp the file, extract it with unzip and zip again with gzip. and send back to the server1.
Really thanks a lot for your help!
I think i have diverted you. Here is the output for your suggestions:
1. server1:/home/arun# gunzip < HOTEL_INFO.zip
gunzip: stdin: first entry not deflated or stored -- use unzip
i am not root user and i am not able to install unzip. i thought if i change file(blocks) listed in ulimit -a to be 'unlimited' then i can run the above gunzip commands. So to achieve this is the following command is correct?
Code:
ulimit -f unlimited
but to execute this command i dont have access. Only root can perform. So just curious to know how a root user will perform this change. Please advise.
2. Sorry, i dont have java.
Please help me... Thanks again!
---------- Post updated 06-04-10 at 03:33 PM ---------- Previous update was 06-03-10 at 07:04 PM ----------
Hi Al,,
I have one more question...
when i am able to create a file around 10GB then why such unzip/gunzip is not allowing me to perform even the file is less than 4GB .... (the data are just an example) and say expanding the zipped file will be 10 GB which is originally i created.... it should not be that my original size and this ulimit size should be same?
please advise me on this also.
Last edited by Arunprasad; 06-04-2010 at 04:45 AM..
Location: Saint Paul, MN USA / BSD, CentOS, Debian, OS X, Solaris
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Hi.
If you are comfortable downloading programs, p7zip may be of interest to you. In almost all *nix systems you can have local programs -- in your HOME directory structure -- you do not need to install them in system areas.
Here's an example of creation of a zip file and extraction with p7zip (for me, p7zip was in my Debian repository):
Code:
#!/usr/bin/env bash
# @(#) s1 Demonstrate uncompress, extract of zip archive with p7zip.
# 7zip: http://p7zip.sourceforge.net/
pe() { for i;do printf "%s" "$i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
rm -f t1 t2 t1.zip
FILE=${1-data1}
pl " Data file $FILE:"
head -20 $FILE
pl " Created zip file:"
cp $FILE t1
zip t1.zip t1
file t1.zip
ls -lgG t1 t1.zip
pl " Unzip with 7z:"
7z e -so t1.zip > t2
ls -lgG t2
pl " Compare files:"
if cmp --quiet t1 t2
then
pe " Files have identical content."
else
pe " Files differ, details:"
diff t1 t2
fi
exit 0
producing:
Code:
% ./s1
-----
Data file data1:
Albuquerque, N.M.
Arlington, Texas
Atlanta, Ga.
Austin, Tex.
Baltimore, Md.
Boston, Mass.
Charlotte, N.C.
Chicago, Ill.
Cleveland, Ohio
Colorado Springs, Colo.
-----
Created zip file:
adding: t1 (deflated 21%)
t1.zip: Zip archive data, at least v2.0 to extract
-rw-r--r-- 1 160 Jun 4 09:37 t1
-rw-r--r-- 1 262 Jun 4 09:37 t1.zip
-----
Unzip with 7z:
7-Zip 4.58 beta Copyright (c) 1999-2008 Igor Pavlov 2008-05-05
p7zip Version 4.58 (locale=C,Utf16=off,HugeFiles=on,1 CPU)
Processing archive: t1.zip
Extracting t1
Everything is Ok
Size: 160
Compressed: 262
-rw-r--r-- 1 160 Jun 4 09:37 t2
-----
Compare files:
Files have identical content.
See the sourceforge URL noted in the script. Best wishes ... cheers, drl
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