Perl is probably the easiest scripting languages that I know at least in terms of my being able to do productive things with the language. Many of the things that I want to do involve trudging through huge piles of data, generally millions or billions of rows of text and doing relatively simple things with those rows... I usually filter all but a few thousand out as "uninteresting" to me, then do something simple like print the remaining lines with a simple substitution.
Everybody has their own perception of easy versus hard so your milage may vary, but I think Perl is quite easy!
you mean you want to see the output generated by the program? All you need for that is perl. If you want to run it as a CGI in a browser you need an http server as well. But just to run a perl program: