Perl 5.24 官方文档

Variables

$!

$"

$#

$$

$%

$&

$'

$(

$)

$*

$+

$,

$-

$.

$/

$0

$:

$;

$<

$<digits> ($1, $2, ...)

$=

$>

$?

$@

$a

$ACCUMULATOR

$ARG

$ARGV

$b

$BASETIME

$CHILD_ERROR

$COMPILING

$DEBUGGING

$EFFECTIVE_GROUP_ID

$EFFECTIVE_USER_ID

$EGID

$ERRNO

$EUID

$EVAL_ERROR

$EXCEPTIONS_BEING_CAUGHT

$EXECUTABLE_NAME

$EXTENDED_OS_ERROR

$FORMAT_FORMFEED

$FORMAT_LINES_LEFT

$FORMAT_LINES_PER_PAGE

$FORMAT_LINE_BREAK_CHARACTERS

$FORMAT_NAME

$FORMAT_PAGE_NUMBER

$FORMAT_TOP_NAME

$GID

$INPLACE_EDIT

$INPUT_LINE_NUMBER

$INPUT_RECORD_SEPARATOR

$LAST_PAREN_MATCH

$LAST_REGEXP_CODE_RESULT

$LAST_SUBMATCH_RESULT

$LIST_SEPARATOR

$MATCH

$NR

$OFS

$OLD_PERL_VERSION

$ORS

$OSNAME

$OS_ERROR

$OUTPUT_AUTOFLUSH

$OUTPUT_FIELD_SEPARATOR

$OUTPUT_RECORD_SEPARATOR

$PERLDB

$PERL_VERSION

$PID

$POSTMATCH

$PREMATCH

$PROCESS_ID

$PROGRAM_NAME

$REAL_GROUP_ID

$REAL_USER_ID

$RS

$SUBSCRIPT_SEPARATOR

$SUBSEP

$SYSTEM_FD_MAX

$UID

$WARNING

$[

$\

$]

$^

$^A

$^C

$^D

$^E

$^F

$^H

$^I

$^L

$^M

$^N

$^O

$^P

$^R

$^S

$^T

$^V

$^W

$^X

$_

$`

${^CHILD_ERROR_NATIVE}

${^ENCODING}

${^GLOBAL_PHASE}

${^LAST_FH}

${^MATCH}

${^OPEN}

${^POSTMATCH}

${^PREMATCH}

${^RE_DEBUG_FLAGS}

${^RE_TRIE_MAXBUF}

${^TAINT}

${^UNICODE}

${^UTF8CACHE}

${^UTF8LOCALE}

${^WARNING_BITS}

${^WIN32_SLOPPY_STAT}

$|

$~

%!

%+

%-

%ENV

%ERRNO

%INC

%LAST_MATCH_START

%LAST_PAREN_MATCH

%OS_ERROR

%SIG

%^H

@+

@-

@ARG

@ARGV

@F

@INC

@LAST_MATCH_END

@LAST_MATCH_START

@_

ARGV

ARGVOUT

HANDLE->autoflush( EXPR )

HANDLE->format_lines_left(EXPR)

HANDLE->format_lines_per_page(EXPR)

HANDLE->format_name(EXPR)

HANDLE->format_page_number(EXPR)

HANDLE->format_top_name(EXPR)

HANDLE->input_line_number( EXPR )

IO::Handle->format_formfeed(EXPR)

IO::Handle->format_line_break_characters EXPR

IO::Handle->input_record_separator( EXPR )

IO::Handle->output_field_separator( EXPR )

IO::Handle->output_record_separator( EXPR )

perlvar

Functions

-X

abs

accept

alarm

and

atan2

AUTOLOAD

BEGIN

bind

binmode

bless

break

caller

chdir

CHECK

chmod

chomp

chop

chown

chr

chroot

close

closedir

cmp

connect

continue

cos

crypt

dbmclose

dbmopen

default

defined

delete

DESTROY

die

do

dump

each

else

elseif

elsif

END

endgrent

endhostent

endnetent

endprotoent

endpwent

endservent

eof

eq

eval

evalbytes

exec

exists

exit

exp

fc

fcntl

fileno

flock

for

foreach

fork

format

formline

ge

getc

getgrent

getgrgid

getgrnam

gethostbyaddr

gethostbyname

gethostent

getlogin

getnetbyaddr

getnetbyname

getnetent

getpeername

getpgrp

getppid

getpriority

getprotobyname

getprotobynumber

getprotoent

getpwent

getpwnam

getpwuid

getservbyname

getservbyport

getservent

getsockname

getsockopt

given

glob

gmtime

goto

grep

gt

hex

if

import

index

INIT

int

ioctl

join

keys

kill

last

lc

lcfirst

le

length

link

listen

local

localtime

lock

log

lstat

lt

m

map

mkdir

msgctl

msgget

msgrcv

msgsnd

my

ne

next

no

not

oct

open

opendir

or

ord

our

pack

package

pipe

pop

pos

print

printf

prototype

push

q

qq

qr

quotemeta

qw

qx

rand

read

readdir

readline

readlink

readpipe

recv

redo

ref

rename

require

reset

return

reverse

rewinddir

rindex

rmdir

s

say

scalar

seek

seekdir

select

semctl

semget

semop

send

setgrent

sethostent

setnetent

setpgrp

setpriority

setprotoent

setpwent

setservent

setsockopt

shift

shmctl

shmget

shmread

shmwrite

shutdown

sin

sleep

socket

socketpair

sort

splice

split

sprintf

sqrt

srand

stat

state

study

sub

substr

symlink

syscall

sysopen

sysread

sysseek

system

syswrite

tell

telldir

tie

tied

time

times

tr

truncate

uc

ucfirst

umask

undef

UNITCHECK

unless

unlink

unpack

unshift

untie

until

use

utime

values

vec

wait

waitpid

wantarray

warn

when

while

write

x

xor

y

__DATA__

__END__

__FILE__

__LINE__

__PACKAGE__

__SUB__

Operators

Additive Operators

Assignment Operators

Auto-increment and Auto-decrement

Bigger Numbers

Binding Operators

Bitwise And

Bitwise Or and Exclusive Or

Bitwise String Operators

C Operators Missing From Perl

C-style Logical And

C-style Logical Or

Comma Operator

Conditional Operator

Constant Folding

Equality Operators

Exponentiation

Floating-point Arithmetic

Gory details of parsing quoted constructs

I/O Operators

Integer Arithmetic

List Operators (Rightward)

Logical And

Logical Defined-Or

Logical Not

Logical or and Exclusive Or

Multiplicative Operators

Named Unary Operators

No-ops

Operator Precedence and Associativity

perlop

Quote and Quote-like Operators

Quote-Like Operators

Range Operators

Regexp Quote-Like Operators

Relational Operators

Shift Operators

Smartmatch Operator

Symbolic Unary Operators

Terms and List Operators (Leftward)

The Arrow Operator

Core Modules

AnyDBM_File

App::Prove

App::Prove::State

App::Prove::State::Result

App::Prove::State::Result::Test

Archive::Tar

Archive::Tar::File

Attribute::Handlers

AutoLoader

AutoSplit

B

B::Concise

B::Debug

B::Deparse

B::Showlex

B::Terse

B::Xref

Benchmark

Carp

Class::Struct

Compress::Raw::Bzip2

Compress::Raw::Zlib

Compress::Zlib

Config

Config::Extensions

CPAN

CPAN::Debug

CPAN::Distroprefs

CPAN::FirstTime

CPAN::HandleConfig

CPAN::Kwalify

CPAN::Nox

CPAN::Queue

CPAN::Tarzip

CPAN::Version

Cwd

Data::Dumper

DB

DBM_Filter

DBM_Filter::compress

DBM_Filter::encode

DBM_Filter::int32

DBM_Filter::null

DBM_Filter::utf8

DB_File

Devel::Peek

Devel::PPPort

Devel::SelfStubber

Digest

Digest::base

Digest::file

Digest::MD5

Digest::SHA

DirHandle

Dumpvalue

DynaLoader

Encode

Encode::Alias

Encode::Byte

Encode::CJKConstants

Encode::CN

Encode::CN::HZ

Encode::Config

Encode::EBCDIC

Encode::Encoder

Encode::Encoding

Encode::GSM0338

Encode::Guess

Encode::JP

Encode::JP::H2Z

Encode::JP::JIS7

Encode::KR

Encode::KR::2022_KR

Encode::MIME::Header

Encode::MIME::Name

Encode::Symbol

Encode::TW

Encode::Unicode

Encode::Unicode::UTF7

English

Env

Errno

Exporter

Exporter::Heavy

ExtUtils::CBuilder

ExtUtils::CBuilder::Platform::Windows

ExtUtils::Command

ExtUtils::Command::MM

ExtUtils::Constant

ExtUtils::Constant::Base

ExtUtils::Constant::Utils

ExtUtils::Constant::XS

ExtUtils::Embed

ExtUtils::Install

ExtUtils::Installed

ExtUtils::Liblist

ExtUtils::MakeMaker

ExtUtils::MakeMaker::Config

ExtUtils::MakeMaker::FAQ

ExtUtils::MakeMaker::Tutorial

ExtUtils::Manifest

ExtUtils::Miniperl

ExtUtils::Mkbootstrap

ExtUtils::Mksymlists

ExtUtils::MM

ExtUtils::MM_AIX

ExtUtils::MM_Any

ExtUtils::MM_BeOS

ExtUtils::MM_Cygwin

ExtUtils::MM_Darwin

ExtUtils::MM_DOS

ExtUtils::MM_MacOS

ExtUtils::MM_NW5

ExtUtils::MM_OS2

ExtUtils::MM_QNX

ExtUtils::MM_Unix

ExtUtils::MM_UWIN

ExtUtils::MM_VMS

ExtUtils::MM_VOS

ExtUtils::MM_Win32

ExtUtils::MM_Win95

ExtUtils::MY

ExtUtils::Packlist

ExtUtils::ParseXS

ExtUtils::testlib

Fatal

Fcntl

File::Basename

File::Compare

File::Copy

File::DosGlob

File::Fetch

File::Find

File::Glob

File::GlobMapper

File::Path

File::Spec

File::Spec::Cygwin

File::Spec::Epoc

File::Spec::Functions

File::Spec::Mac

File::Spec::OS2

File::Spec::Unix

File::Spec::VMS

File::Spec::Win32

File::stat

File::Temp

FileCache

FileHandle

Filter::Simple

Filter::Util::Call

FindBin

Getopt::Long

Getopt::Std

Hash::Util

Hash::Util::FieldHash

I18N::Collate

I18N::Langinfo

I18N::LangTags

I18N::LangTags::Detect

I18N::LangTags::List

IO

IO::Compress::Base

IO::Compress::Bzip2

IO::Compress::Deflate

IO::Compress::Gzip

IO::Compress::RawDeflate

IO::Compress::Zip

IO::Dir

IO::File

IO::Handle

IO::Pipe

IO::Poll

IO::Seekable

IO::Select

IO::Socket

IO::Socket::INET

IO::Socket::UNIX

IO::Uncompress::AnyInflate

IO::Uncompress::AnyUncompress

IO::Uncompress::Base

IO::Uncompress::Bunzip2

IO::Uncompress::Gunzip

IO::Uncompress::Inflate

IO::Uncompress::RawInflate

IO::Uncompress::Unzip

IO::Zlib

IPC::Cmd

IPC::Msg

IPC::Open2

IPC::Open3

IPC::Semaphore

IPC::SharedMem

IPC::SysV

List::Util

List::Util::XS

Locale::Country

Locale::Currency

Locale::Language

Locale::Maketext

Locale::Maketext::Guts

Locale::Maketext::GutsLoader

Locale::Maketext::Simple

Locale::Script

Math::BigFloat

Math::BigInt

Math::BigInt::Calc

Math::BigInt::CalcEmu

Math::BigInt::FastCalc

Math::BigRat

Math::Complex

Math::Trig

Memoize

Memoize::AnyDBM_File

Memoize::Expire

Memoize::ExpireFile

Memoize::ExpireTest

Memoize::NDBM_File

Memoize::SDBM_File

Memoize::Storable

MIME::Base64

MIME::QuotedPrint

Module::CoreList

Module::Load

Module::Load::Conditional

Module::Loaded

NDBM_File

Net::Cmd

Net::Config

Net::Domain

Net::FTP

Net::FTP::dataconn

Net::hostent

Net::netent

Net::Netrc

Net::NNTP

Net::Ping

Net::POP3

Net::protoent

Net::servent

Net::SMTP

Net::Time

NEXT

O

Opcode

Params::Check

Parse::CPAN::Meta

PerlIO

PerlIO::encoding

PerlIO::scalar

PerlIO::via

PerlIO::via::QuotedPrint

Pod::Checker

Pod::Escapes

Pod::Find

Pod::Functions

Pod::Html

Pod::InputObjects

Pod::Man

Pod::ParseLink

Pod::Parser

Pod::ParseUtils

Pod::Perldoc

Pod::Perldoc::BaseTo

Pod::Perldoc::GetOptsOO

Pod::Perldoc::ToChecker

Pod::Perldoc::ToMan

Pod::Perldoc::ToNroff

Pod::Perldoc::ToPod

Pod::Perldoc::ToRtf

Pod::Perldoc::ToText

Pod::Perldoc::ToTk

Pod::Perldoc::ToXml

Pod::PlainText

Pod::Select

Pod::Simple

Pod::Simple::Checker

Pod::Simple::Debug

Pod::Simple::DumpAsText

Pod::Simple::DumpAsXML

Pod::Simple::HTML

Pod::Simple::HTMLBatch

Pod::Simple::LinkSection

Pod::Simple::Methody

Pod::Simple::PullParser

Pod::Simple::PullParserEndToken

Pod::Simple::PullParserStartToken

Pod::Simple::PullParserTextToken

Pod::Simple::PullParserToken

Pod::Simple::RTF

Pod::Simple::Search

Pod::Simple::SimpleTree

Pod::Simple::Text

Pod::Simple::TextContent

Pod::Simple::XHTML

Pod::Simple::XMLOutStream

Pod::Text

Pod::Text::Color

Pod::Text::Overstrike

Pod::Text::Termcap

Pod::Usage

POSIX

Safe

Scalar::Util

SDBM_File

Search::Dict

SelectSaver

SelfLoader

Socket

Storable

Symbol

Sys::Hostname

Sys::Syslog

TAP::Base

TAP::Formatter::Base

TAP::Formatter::Color

TAP::Formatter::Console

TAP::Formatter::Console::ParallelSession

TAP::Formatter::Console::Session

TAP::Formatter::File

TAP::Formatter::File::Session

TAP::Formatter::Session

TAP::Harness

TAP::Object

TAP::Parser

TAP::Parser::Aggregator

TAP::Parser::Grammar

TAP::Parser::Iterator

TAP::Parser::Iterator::Array

TAP::Parser::Iterator::Process

TAP::Parser::Iterator::Stream

TAP::Parser::IteratorFactory

TAP::Parser::Multiplexer

TAP::Parser::Result

TAP::Parser::Result::Bailout

TAP::Parser::Result::Comment

TAP::Parser::Result::Plan

TAP::Parser::Result::Pragma

TAP::Parser::Result::Test

TAP::Parser::Result::Unknown

TAP::Parser::Result::Version

TAP::Parser::Result::YAML

TAP::Parser::ResultFactory

TAP::Parser::Scheduler

TAP::Parser::Scheduler::Job

TAP::Parser::Scheduler::Spinner

TAP::Parser::Source

TAP::Parser::YAMLish::Reader

TAP::Parser::YAMLish::Writer

Term::ANSIColor

Term::Cap

Term::Complete

Term::ReadLine

Test

Test::Builder

Test::Builder::Module

Test::Builder::Tester

Test::Builder::Tester::Color

Test::Harness

Test::More

Test::Simple

Text::Abbrev

Text::Balanced

Text::ParseWords

Text::Tabs

Text::Wrap

Thread

Thread::Queue

Thread::Semaphore

Tie::Array

Tie::File

Tie::Handle

Tie::Hash

Tie::Hash::NamedCapture

Tie::Memoize

Tie::RefHash

Tie::Scalar

Tie::StdHandle

Tie::SubstrHash

Time::gmtime

Time::HiRes

Time::Local

Time::localtime

Time::Piece

Time::Seconds

Time::tm

Unicode::Collate

Unicode::Normalize

Unicode::UCD

UNIVERSAL

User::grent

User::pwent

XSLoader

Pragmas

attributes

autodie

autouse

base

bigint

bignum

bigrat

blib

bytes

charnames

constant

diagnostics

encoding

feature

fields

filetest

if

integer

less

lib

locale

mro

open

ops

overload

overloading

parent

re

sigtrap

sort

strict

subs

threads

threads::shared

utf8

vars

vmsish

warnings

warnings::register

Utilities

c2ph

corelist

enc2xs

h2ph

h2xs

instmodsh

libnetcfg

perlbug

perldoc

perlivp

perlthanks

perlutil

piconv

pod2html

pod2man

pod2text

pod2usage

podchecker

podselect

prove

pstruct

ptar

ptardiff

shasum

splain

xsubpp

Language

CORE

perldata

perldbmfilter

perldebug

perldiag

perldtrace

perlebcdic

perlexperiment

perlfilter

perlfork

perlform

perlfunc

perlglossary

perlipc

perllexwarn

perllocale

perlmod

perlmodinstall

perlmodlib

perlmodstyle

perlnewmod

perlnumber

perlobj

perlperf

perlpod

perlpodspec

perlpodstyle

perlport

perlre

perlrebackslash

perlrecharclass

perlref

perlreref

perlsec

perlsub

perlsyn

perltie

perlunicode

perlunicook

perluniintro

perluniprops

Manual: Overview

perl

perlbook

perlcommunity

perlintro

perlrun

Platform Specific

perlaix

perlamiga

perlbs2000

perlce

perlcygwin

perldos

perlfreebsd

perlhaiku

perlhpux

perlhurd

perlirix

perllinux

perlmacos

perlmacosx

perlnetware

perlopenbsd

perlos2

perlos390

perlos400

perlplan9

perlqnx

perlriscos

perlsolaris

perlsymbian

perltru64

perlvms

perlvos

perlwin32

Internals

perlapi

perlapio

perlcall

perlclib

perldebguts

perlembed

perlguts

perlhack

perlhacktips

perlhacktut

perlintern

perlinterp

perliol

perlmroapi

perlpolicy

perlreapi

perlreguts

perlrepository

perlsource

perlxs

perlxstut

perlxstypemap

Manual: Tutorials

perlboot

perlbot

perlcheat

perldebtut

perldsc

perllol

perlootut

perlopentut

perlpacktut

perlpragma

perlreftut

perlrequick

perlretut

perlstyle

perlthrtut

perltooc

perltoot

perltrap

perlunitut

Manual: FAQs

perlfaq

perlfaq1

perlfaq2

perlfaq3

perlfaq4

perlfaq5

perlfaq6

perlfaq7

perlfaq8

perlfaq9

perlunifaq

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