====== File Operations ======
====== Fast file deletion ======
perl
<sxh bash>yum install ncurses ncurses-devel
cd <directory>
perl -e 'for(<*>){((stat)[9]<(unlink))}'
</sxh>

rsync
<sxh bash>
mkdir empty_dir
rsync -a --delete empty_dir/ <directory>/
</sxh>