Perl Language Reference Guide
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Table of Contents
Introduction
N'AI;u1V Y*g-Tl0Invocation and #!51Testing软件测试网-m/hylr)H7Z.\
Basic Semantics
4~p8T`o0Hello, World
ni9l~a k!vR4y#l0Scalars
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Numerical Data and Operators51Testing软件测试网e}!VZ.y#~6A*ae
Strings51Testing软件测试网Ma.Dx0S*TF
Single and Double Quoting51Testing软件测试网J_.AEd5V^;zMR Jw
Comparison Operators: Arithmetic vs. String51Testing软件测试网0Nk&J:Q RU~$RJ
undef
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Subscrīpting51Testing软件测试网9mn7amOZ-r&q
Array Sizes51Testing软件测试网0Rs{eO0y%_G
Some Array Functions
[S X/LOHN0Context
| W0C(P G P)h!u0Control Structures
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Unless
^,g9s|?2n/pe;e0Doing Them Backwards51Testing软件测试网H.bo6bT+x0K'k0kw
And, Or
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While
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#KQ Dh8~5N4|f^0Foreach51Testing软件测试网FaH8lKecK
last, next, and redo
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Keys() and Values()
`1Wl UE-nL0Deleting51Testing软件测试网-Bb#l6]'HK
Filehandles and I/O51Testing软件测试网wA3c3O$Ph? U
<STDIN> and <>
-O2QVV!Lk2W HIc0Make Your Own Filehandles51Testing软件测试网U0C)|$CW
Chopping51Testing软件测试网#se1`s%MD
Printing to Filehandles
im q*M*ty&N6^d0Handling File Errors51Testing软件测试网]h5bf C
File Tests51Testing软件测试网2mDz8T$t%u&?[2C
Pipes51Testing软件测试网 aD\HfQ \
Regular Expressions51Testing软件测试网 AV&q7x \O!wb,D&W
Examples
&o%N.s Fw}q X0Using the Matching Operator51Testing软件测试网q4N/@9S$c:r
Case Insensitivity51Testing软件测试网7t-Xg ^%p
The Magic of Parentheses51Testing软件测试网`j4|2yqS'x#H| `?
Substitution51Testing软件测试网&f,CRT/VY4Ra{
split() and join()51Testing软件测试网&LV8xHC%G
Functions
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O]:~~n"B!NC S6AY0Special Sort Functions
ZJ](J1S/f0Formats