bash Cookbook: Solutions and Examples for bash Users
bash Cookbook teaches shell scripting the way Unix masters practice the craft. It presents a variety of recipes and tricks for all levels of shell programmers so that anyone can become a proficient user of the most common Unix shell -- the bash shell -- and cygwin or other popular Unix emulation packages.
A one-liner to remove any temporary files modified over one day ago. Removes files from /tmp/
Run without the '-exec rm {} \;' part to check that it is matching the right set of files - this can be dangerous if run by root!
If you want to remove files modified today, change +1 to -1
This can be useful to add into crontab though