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Full Discussion: Problem with sort +4
Top Forums UNIX for Advanced & Expert Users Problem with sort +4 Post 302520746 by Grueben on Monday 9th of May 2011 05:48:41 AM
Old 05-09-2011
Problem with sort +4

Apologies if this should be in 'unix for dummies' thread..

I have a large file containing records like this:
Code:
16 Feb 02:49 s_A123_ctas_log.20100216024000.bin
26 Feb 02:55 s_B123_ctas_log.20100226024000.bin
05 Mar 05:22 s_A127_ctas_log.20100305024000.bin

I want to sort it by column 4 (just the file names) but can't get it to work. I've tried.
Code:
cat filename | sort -nk4 >newfile
sort +4 filename >newfilename

The only command that works (sorts it via column4) is
Code:
sort +4 -d -u filename >newfilename

But for some reason it only does one record!

Any help much appreciated as usual..

Moderator's Comments:
Mod Comment Please use [code] and [/code] tags when posting code, data or logs etc. to preserve formatting and enhance readability, thanks.

Last edited by zaxxon; 05-09-2011 at 07:33 AM.. Reason: code tags
 

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BZEXE(1)						      General Commands Manual							  BZEXE(1)

NAME
bzexe - compress executable files in place SYNOPSIS
bzexe [ name ... ] DESCRIPTION
The bzexe 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 ``bzexe /bin/cat'' it will create the following two files: -r-xr-xr-x 1 root bin 9644 Feb 11 11:16 /bin/cat -r-xr-xr-x 1 bin bin 24576 Nov 23 13:21 /bin/cat~ /bin/cat~ is the original file and /bin/cat is the self-uncompressing executable file. You can remove /bin/cat~ once you are sure that /bin/cat 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
bzip2(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 other utilities (tail, chmod, ln, sleep). BUGS
bzexe 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. BZEXE(1)
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