Fix a Broken chmod, or How to chmod chmod

So here's the setup.  You've logged into one of your servers to update
permissions on a file only to see this:

        server [0] /bin/chmod +x /opt/somefile

Simple Pattern Replacements

Managing data within a file sometimes requires that all instances of a
specific word / phrase be replaced with that of another.  This could be
something along the lines of a file from one host is copied to another,
thus the hostname contained in the file must be updated to reflect the

Epoch Time

Have you ever needed a way to determine UNIX (Epoch) Time, or perhaps its
counterpart in 24 hour format?

via perl: