As someone who used Perl for years in FinTech, I originally learned most of what I used from Robert's Perl Tutorial: http://www.physics.rutgers.edu/~kotliar/per

As someone who used Perl for years in FinTech, I originally learned most of what I used from Robert's Perl Tutorial: http://www.physics.rutgers.edu/~kotliar/perltut.html http://www.physics.rutgers.edu/~kotliar/perltut.html You could literally start at the top, work your way down and learn all of the useful functions and data structures.