find and delete old logfiles or find and compress old logfiles command in linux

below is the command to find and delete old logfiles older than 7 days.
 you need to the same directory to run this command or you can specify at the beginning to CD to that directory and run this command in a shell script.


find . ! -mtime -7 | while read fname
do
if [ -f $fname ]; then
rm $fname
fi
done

find and compress command. compress files older than 3 days

find . ! -mtime -3 |while read fname
do
if [ -f $fname ]; then
gzip $fname
fi
done