New language. Ruby, Python and Perl
I know some programming languages: Assembly, C, C++, Java, PHP, Perl, ...
I'm looking for a new programming language that could of some interest to me. 
I'm thinking about Ruby and/or Python. I probably will take a look to both and Sinatra for ruby and django for python. Hints will be well accepted about languages and frameworks.

My primary objectives are:
<li> learn a new language for cultural knowledge
<li> execution speed is not an issue
<li> developing speed is an issue
<li> good interface to mysql/postgreSQL/sqlite
<li> an integrated web server would be a plus

Since I assume I've already answered my questions (but any advice will be gladly received), my REAL question is: I've read all similar questions on stackoverflow, nobody ever proposed Perl as a good language to learn, why ?

I know it could be messy, but PHP is even worse. You can write oneliners that solve your daily problems, good libraries, reasonably fast, OO <strike>could</strike> will be far better. Why not perl ?
New language. Ruby, Python and Perl
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I know some programming languages: Assembly, C, C++, Java, PHP, Perl, ...
I'm looking for a new programming language that could of some interest to me. 
I'm thinking about Ruby and/or Python. I probably will take a look to both and Sinatra for ruby and django for python. Hints will be well accepted about languages and frameworks.

My primary objectives are:
<li> learn a new language for cultural knowledge
<li> execution speed is not an issue
<li> developing speed is an issue
<li> good interface to mysql/postgreSQL/sqlite
<li> an integrated web server would be a plus

Since I assume I've already answered my questions (but any advice will be gladly received), my REAL question is: I've read all similar questions on stackoverflow, nobody ever proposed Perl as a good language to learn, why ?

I know it could be messy, but PHP is even worse. You can write oneliners that solve your daily problems, good libraries, reasonably fast, OO <strike>could</strike> will be far better. Why not perl ?