Learning Perl: 5.6. Filehandles
  5.6. Filehandles A filehandle is the name in a Perl p...
Learning Perl: 5.8. Fatal Errors with die
  5.8. Fatal Errors with die Let's step aside for a...
Learning Perl: 5.9. Using Filehandles
  5.9. Using Filehandles Once a filehandle is open for ...
Perl Learning: 5.10. Reopening a Standard Filehandle
  5.10. Reopening a Standard Filehandle We mentioned ea...
Learning Perl: 6.1. What Is a Hash?
  6.1. What Is a Hash? A hash is a data structure like ...
Learning Perl:
  6.2. Hash Element Access To access an element of a ha...
Learning Perl: 6.4. Typical Use of a Hash
  6.4. Typical Use of a Hash At this point, a concrete ...
Learning Perl: 6.3. Hash Functions
  6.3. Hash Functions Some useful functions can work on...
Learning Perl: 7.1. What Are Regular Expressions?
  7.1. What Are Regular Expressions? A regular expressi...
Perl Learning: 7.3. Character Classes
  7.3. Character Classes A character class, a list of p...