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Delete old version folder

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# 1  
Old 06-23-2010
Delete old version folder
In one directory,I have 4 folders with names as version numbers as 1.0.0.11 1.0.0.12 1.0.0.13 1.0.0.13a
I have to keep the latest one and delete the older ones.I can't use code to delete the files that are n days old as these folders can be of same day...1 day before or 2 mnths before...

Can anybody help me developing this script..one of my automation tool needs this script and I m trying to develop it since a long time...
# 2  
Old 06-23-2010
I assume 1.0.0.13a is newer than 1.0.0.13.

If so, you can consider the below:
Code:
leion [454]> ls
1.0.0.11    1.0.0.12    1.0.0.13    1.0.0.13a
leion [455]> ls | sort
1.0.0.11
1.0.0.12
1.0.0.13
1.0.0.13a
leion [456]> ls | sort | sed '$d'
1.0.0.11
1.0.0.12
1.0.0.13
leion [457]> ls | sort | sed '$d' | xargs rm -rf {} \;
leion [458]> ls
1.0.0.13a

# 3  
Old 06-23-2010
One more queston please
I really appreciate your reply...

one more question. If there is another directory with name "current" which is pointing one of the version folders. You can say that it's soft-linked with one of the version named folders.

I don't want current to be deleted as well as the version folder to which current is linked.

Any help in this regard please???????
# 4  
Old 06-23-2010
Based on Leion's code:

Code:
C=$( ls -l | grep 'curr' | awk -F "-> " '{print $NF}' ); \
  ls -1 | sort | sed -e "/$C/d" -e '$d' | xargs rm -rf {} \;

# 5  
Old 06-23-2010
Try:
Code:
ls -d 1.* | sort -nt. | sed '$d' | xargs rm -rf

Note that this will not work with names that contain spaces..

@Leion, dr.house I think xargs got mixed up with find syntax a bit there, no?

For directory names with spaces one could use this:
Code:
ls -d 1.* | sort -nt. | sed '$d' |  while read line; do rm -rf "$line"; done

Last edited by Scrutinizer; 06-23-2010 at 12:49 PM.. Reason: Thought this was about files, but they are directories
# 6  
Old 06-23-2010
Thanks alot guys....

Still I am not getting to the solution..

@Leion,Your command is working but I need to keep a folder named Current also which is soft linked to the latest version. A little modification in your code will work.Please reply if you can..

@dr.House,with your code line,only current folder is remaining but I need to keep a folder named Current also which is soft linked to the latest version.Please give your valuable suggestion.

@Scrutinizer,with your code,only the latest version folder is remaining but not the one with the name Current.
# 7  
Old 06-23-2010
Code:
C1='Current'; C2=$( ls -l | grep $C1 | awk -F "-> " '{print $NF}' ); \
  ls -1 | sort | sed -e "/$C1/d" -e "/$C2/d" -e '$d' | xargs rm -rf {} \;
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