Perl Pocket Reference, 4th Edition

List Values

(...)

(1,2,3) is a list of three elements.

(1,2,3)[0] is the first element from this list.

(1,2,3)[-1] is the last element.

( ) is an empty list.

(1..4) is the same as (1,2,3,4); likewise ('a'..'z').

('a'..'z')[4,7,9] is a slice of a literal list.

qw

qw/fo br . . . / is the same as ('fo','br', . . . ).

< . . . >

<pattern> evaluates to all filenames according to the C-shell wildcard pattern. Use <${var}> or glob $var to glob from a variable.