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Top Forums Shell Programming and Scripting ISSUE in handling multiple same name files :-( Post 302819471 by emily on Tuesday 11th of June 2013 01:56:12 AM
Old 06-11-2013
ISSUE in handling multiple same name files :-(

Dear all,
My work is completely stuck cos of the following issue. Please find it here and kindly help me.
Task is following:
I have set of files with such pattern
Code:
1t-rw-rw-r-- 1 emily emily 119 Jun 11 10:45 vgtree_5_1_pfs.root
3t-rw-rw-r-- 1 emily emily 145 Jun 11 10:46 vgtree_5_3_pfs.root
1t-rw-rw-r-- 1 emily emily  20 Jun 11 10:45 vgtree_75_1_pfs.root
3t-rw-rw-r-- 1 emily emily  73 Jun 11 10:45 vgtree_75_3_pfs.root
2t-rw-rw-r-- 1 emily emily  41 Jun 11 10:45 vgtree_75_2_pfs.root
2t-rw-rw-r-- 1 emily emily   8 Jun 11 10:46 vgtree_3_2_pls.root
3t-rw-rw-r-- 1 emily emily  28 Jun 11 10:46 vgtree_2_3_pfs.root
3t-rw-rw-r-- 1 emily emily  75 Jun 11 10:46 vgtree_3_3_pfs.root

As you can see that file are repeating, which means the repetition of pattern
vgtree_5_*. So the following file are repeating:
Code:
1t-rw-rw-r-- 1 emily emily 119 Jun 11 10:45 vgtree_5_1_pfs.root
3t-rw-rw-r-- 1 emily emily 145 Jun 11 10:46 vgtree_5_3_pfs.root

similarly, file with vgtree_75_* are repeating.

What I want is to make a separate text file with the only files name present which are non repeating and if repeating, I would want to chose the file with the maximum file size. So bsically all the files mark RED in above file.
Also shown here:

Code:
3t-rw-rw-r-- 1 emily emily 145 Jun 11 10:46 vgtree_5_3_pfs.root
3t-rw-rw-r-- 1 emily emily  73 Jun 11 10:45 vgtree_75_3_pfs.root
3t-rw-rw-r-- 1 emily emily  75 Jun 11 10:46 vgtree_3_3_pfs.root

Greetings,
emily
 

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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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