The regular expression, or regexp, are the most powerful, versatile and hated tool used by programmers and system administrators. They allow to express with a few characters search for strings, characters or words, and if done well can lead to good results, but if they are wrong they can not give you any useful result, [...]
Mass renaming files is no possible with the standard linux command
mv, but it’s possible to achieve this goal in many different ways, from some
bash magic, to programs that do exactly this, in this article I’ll work with both the terminal and with graphical tools.