You should be able to:
Understand the different Perl data types: scalars, arrays of scalars, and associative arrays of scalars, known as “hashes”.
Be able to manipulate Strings including using Regular Expressions.
Understand and use standard libraries to manipulate date and time objects, files, URLs.
Develop functions and call them.
Use regular expressions to validate user input.
Parse and manipulate data from files and URLs.