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Shell Programming and Scripting

Script to delete files

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# 1  
Old 07-27-2010
Script to delete files
Hi,
I am looking for a BASH script that deletes old files except the last three recent ones.
# 2  
Old 07-27-2010
Code:
find . -type f -mtime +1 | xargs ls -1 > filelist
for i in `sed -n "1,$(echo "$(sed -n '$=' filelist)" - 3 | bc)"p filelist` 
  do 
   rm -i $i
  done
rm -f filelist

# 3  
Old 07-28-2010
Code:
Go to the directory and write the below in one script and run it.

ls -lt | awk '{print $9}' > filelist
i=1
while read le
do
if [ $i -gt 3 ]; then
rm -f $le
fi
i=`expr $i + 1`
done < filelist

# 4  
Old 08-01-2010
Thanks ygemici.But the code that u sent deletes the last three oldest files.I wanted to delete everything except the last three recent files.
# 5  
Old 08-02-2010
Quote:
Originally Posted by newuser_25
Thanks ygemici.But the code that u sent deletes the last three oldest files.I wanted to delete everything except the last three recent files.
can you explain clearly what is meaning recent file?
modif the last recent files or?
# 6  
Old 08-02-2010
Hi Try this.

Code:
find . -type f -mtime +1 -exec ls -ltr {} \; | tail -r | tail +3 | awk '{print $9}' | rm -f

This will delete all files other than the three most recent ones.
# 7  
Old 08-02-2010
Example these are files with their timestamp:
file1 may10
file2 may15
file3 june3
file4 june 15
file5 june 30
file6 july 18
file7 july 25

i would need the script to delete files1 through files4.Files5 through Files7 are the the three recent ones and should not be deleted.
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