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Top Forums Shell Programming and Scripting Help with uncompress...Urgent Post 302392349 by santtarius on Thursday 4th of February 2010 05:57:22 AM
Old 02-04-2010
Help with uncompress...Urgent

Hi,

I am restoring the database backup using compress utility(/usr/bin/compress) which takes around 1 hour.For restoration i use uncompress utility(/usr/bin/uncompress) which is taking nearly 6-7 hours.Can someone let me know how to reduce this time.I have pasted below the line from script which is used for uncompressing data :
Code:
for File in ${acFileList}
do 
 Uncompress=/usr/bin/uncompress
 ($Uncompress -cf $File 2>/dev/null > $acRestoreDir/${File%.Z} ; echo $?
$File >> $errorfile ) &
done

Regards
Santhosh Kumar N

Last edited by Scott; 02-04-2010 at 07:10 AM.. Reason: Please use code tags
 

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GZEXE(1)						      General Commands Manual							  GZEXE(1)

NAME
gzexe - compress executable files in place SYNOPSIS
gzexe name ... DESCRIPTION
The gzexe utility allows you to compress executables in place and have them automatically uncompress and execute when you run them (at a penalty in performance). For example if you execute ``gzexe /usr/bin/gdb'' it will create the following two files: -rwxr-xr-x 1 root root 1026675 Jun 7 13:53 /usr/bin/gdb -rwxr-xr-x 1 root root 2304524 May 30 13:02 /usr/bin/gdb~ /usr/bin/gdb~ is the original file and /usr/bin/gdb is the self-uncompressing executable file. You can remove /usr/bin/gdb~ once you are sure that /usr/bin/gdb works properly. This utility is most useful on systems with very small disks. OPTIONS
-d Decompress the given executables instead of compressing them. SEE ALSO
gzip(1), znew(1), zmore(1), zcmp(1), zforce(1) CAVEATS
The compressed executable is a shell script. This may create some security holes. In particular, the compressed executable relies on the PATH environment variable to find gzip and some standard utilities (basename, chmod, ln, mkdir, mktemp, rm, sleep, and tail). BUGS
gzexe attempts to retain the original file attributes on the compressed executable, but you may have to fix them manually in some cases, using chmod or chown. GZEXE(1)
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