How to backup latest date files? Post: 302459649

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Top Forums Shell Programming and Scripting How to backup latest date files? Post 302459649 by smr_rashmy on Tuesday 5th of October 2010 06:53:31 AM

10-05-2010

Registered User

Quote:

Originally Posted by rdcwayx

1. find out the old files.

Code:

ls XX*.dat | sort -t_ -k2nr |sed -n '3,$p'

if it is fine, backup them.

Code:

ls XX*.dat | sort -t_ -k2nr |sed -n '3,$p' |xargs -i cp {} /OTHER_DIR

Code:

cd /CURRENT_DIR

diff <(sort XX123) <(ls XX*.dat|sort)

Thank you. The command is not exactly fetching the old files. Check the below,
$ ll XX*
-rw-r--r-- 1 fp015362 user 0 Oct 5 19:45 XX111_20101005010203.dat
-rw-r--r-- 1 fp015362 user 0 Oct 5 19:44 XX121_20101003010101.dat
-rw-r--r-- 1 fp015362 user 0 Oct 5 19:44 XX122_20101002010101.dat
-rw-r--r-- 1 fp015362 user 0 Oct 5 19:44 XX123_20101004010101.dat
-rw-r--r-- 1 fp015362 user 0 Oct 5 19:44 XX124_20101004010201.dat
$ ls XX*.dat | sort -t_ -k2nr |sed -n '3,$p'
XX123_20101004010101.dat
XX121_20101003010101.dat
XX122_20101002010101.dat

---------- Post updated at 05:53 AM ---------- Previous update was at 05:48 AM ----------

Quote:

Originally Posted by Chubler_XL

for files in dir but not in listfile use:

Code:

 ( cd dir ; ls ) | fgrep -vf listfile

For files in listfile but not in dir use:

Code:

 fgrep -v "$( cd dir; ls )" listfile

Thank you very much it is working fine Smilie

smr_rashmy

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