Honesty

Note_Perl

Page history last edited by Honesty 3 yrs ago

2 contexts:
- list context
  - list ()
  - array @
- scalar context, 2 scalars: (specified by operators)
  - number
  - string
names: (variable name and array name have no relation)
- scalar: $num
- array: @num
- array elements: $num[0]
@_ and $_, have no relation:
- @_: function arguments
- $_: default variables (foreach loop)
- $_[0]: 1st function argument