title:Exmaples and tricks using the Linux (Unix, OSX) "find" command.
Description: Arbitrary dates and other tricks with the Linux find command.

The Apple OSX "touch" command is doesn't support the --date extension. 


# create tmp.txt or set it's last modification date using touch. 
# This example sets it's time of last mod to 9:15 am, today.

touch --date="09:15:00" tmp.txt
find ./ -cnewer tmp.txt


# tar up files newer than /etc/rc.local

tar -zcvf ~/2004-11-01_tull_etc.tar.gz --exclude /etc/shadow `find /etc -newer '/etc/rc.local' -type f`


# Remove write privs, depth first. Can't use chmod -R since that starts with the 
# parent directory, and when it isn't writable, files and subdirs can't chmod.

find ./cmdev_save -depth -exec chmod a-w {} \;


# Tar up things in /etc that have changed, more or less since install, and leave out /etc/shadow.

tar -zcvf ~/2004-11-01_tull_etc.tar.gz --exclude /etc/shadow `find /etc -newer '/etc/rc.local' -type f`


egrep -ho "http://.*a.jpg" file*.html | xargs wget


# This should delete files older than 7 days, and print the name of each file it deletes.
find ./ -ctime +7 -name "*.zip" -exec rm -f {} \; -ls


# 
# If you want to be prompted before it deletes a file:
find ./ -ctime +7 -name "*.zip" -exec rm -i {} \; -ls

#
# If you want to put this in cron, then send the output to a log file:
find ./ -ctime +7 -name "*.zip" -exec rm -f {} \; -ls > /home/mst3k/clean_zip.log 2>&1