Overview - Chapter: 0:Intr, 1:Hist, 2:Design, 3:Var, 4:Op, 5:IO, 6:{}, 7:Sub, 8:OOP, 9:Rx - Appendices: A:Index, B:Tables, C:Cook, D:Delta, E:Best of, F:Links

1st law of language redesign: Everyone wants the colon for their particular syntax.
2nd law of language redesign: Larry gets the colon for whatever he wants.

Comments

Single Line

Multi Line

POD

Number Literals

A single underscore is allowed only between any two digits in a literal number, like:

$people = 3_456_789; # same as 3456789

Radix Prefixes

0b binary - base 2, digits 0..1
0o ocatal - base 8, digits 0..7
0d decimal - base 10, digits 0..9
0x hexadecimal - base 16, digits 0..9,a..f (case insensitive)

General Radix Form

:10<42> # same as 0d42 or 42

Scientific Notation

$float = 60.2e23 # becomes automatically 6.02e24
$float = 6.02E-23 # capital E works too

Rational Number

Complex Number

-3-6.02E-23i

Quoting

Quote Words

Single Quotes

Double Quotes

Heredocs

Formating

perl

The .perl method is a built in Data::Dumper (pretty printer) which gives you structured data the way you write it in perl source code.

fmt

sprintf

pack

Formats

Command Line

Files

Sockets

Overview - Chapter: 0:Intr, 1:Hist, 2:Design, 3:Var, 4:Op, 5:IO, 6:{}, 7:Sub, 8:OOP, 9:Rx - Appendices: A:Index, B:Tables, C:Cook, D:Delta, E:Best of, F:Links