"Have you ever been in a situation where you have to replace one
or two words in many text files. As a programmer or system
administrator I'm sure you have been in a situation when even
Emacs' search and replace command feels like doing a lot of
repetative tasks. This small tutorial will show the power of Perl
with just a line of code."
"Here I will give some examples of how you can use the Perl
command line to do quick and dirty search and replace jobs."