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Full Discussion: Shell script to check a file and delete old files
Top Forums Shell Programming and Scripting Shell script to check a file and delete old files Post 302983483 by rbatte1 on Wednesday 12th of October 2016 05:10:52 AM
Old 10-12-2016
Using cut on the output of ls -l is always fraught with danger because the column widths can vary. It seems that the file names have the creation date in them in the format YYYYMoDD.HHMiSS so you don't really need to get the detail from a full ls -l because you have it there to work with if needed.

Using ls -lrt within a find command has no meaning because the files are found (and therefore listed) one by one, or if your OS supports using a + to end an -exec clause then there is a limit to how many files you will get in one execution of ls so you might get several chunks of sorted output but it's all meaningless overall.

Using find you can get the file names you need and display them or do other things, e.g:-
Code:
find /path/to/directory -name "*.tgz" -mtime +31 -print                  # Display .tgz files older than 31 days
find /path/to/directory -name "*.tgz" -mtime +31 -exec rm {} \;          # Remove .tgz files older than 31 days

The order of the files depends how they are stored in the directory rather than in any particular sort order.


What is the overall plan? It seems to me that you are over complicating things because you have lots of bits of tools where probably find can do everything you need. If you can describe it weill, with all the conditions, then I'm sure we can help.

I'm assuming you are using ks on the wonderful AIX, but what version?



Kind regards,
Robin
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