- Conext sensitivity - video
- array in context - video
- STDIN in scalar and list context
- Reading from a file in scalar and list context
- Length of an array in Perl
- ref - What kind of reference is this variable?
- Scalar and List context in Perl, the size of an array
- Perl Arrays
- String functions: length, lc, uc, index, substr
- $_ the default variable of Perl
- Installing and getting started with Perl