Perl examples (example source code) Organized by topic

Perl

Network /

Client 6 DNS 1

FTP 5 gethostbyaddr 2

gethostbyname 2 gethostent 1

getnetent 1 getprotobyname 1

getprotobynumber 1 getprotoent 1

getservbyname 1 getservbyport 2

getservent 1 hostname 1

HTML Parser 2 HTTP 7

IP Address 2 LWP 2

Mail 7 News 1

Ping 2 Server 10

sockaddr_un 1 Socket 14

TCP 9 Telnet 1

UDP 4 Web Server 1

Regular Expression /

Anchors 17 bracket 4

Case 1 Character Class 11

Digit 13 Escape 7

Frequency 5 Greedy 10

grep 9 Group 1

Index 7 Loop 5

Metacharacters 9 metasymbols 4

modifier 18 parentheses 3

Pattern matching 30 split 9

substitution 20 tr 8

translation 4

CGI /

Content Type 3 Cookie 13

Environment Variables 17 File Upload 3

Form 43 HTML Table 3

HTML 21 Image 2

Page 7 URL 4

Win32 /

Clipboard 2 EventLog 2

Excel 3 File 5

FormatMessage 1 NetAdmin 4

NetResource 2 ODBC 3

Process 2 Registry 4

Service 3 Shortcut 1

Sound 1 Win32 7

Word 2

XML /

SAX 10

GUI /

Action 4 Buildin Bitmap 10

Button 7 Canvas 7

Checkbox 6 Color Dialog 2

Control Attributes 8 Dialog 1

File Dialog 2 Font 4

Grid 4 Label 3

Layout 13 Listbox 5

MainWindow 8 Menu 11

Radiobutton 4 Scale 4

Scrollbar 1 Statusbar 1

Text 17

Subroutine /

BEGIN END 1 Closure 3

Context 4 Local 6

my 11 Nested 4

Parameter 22 prototype 3

Recursive 7 Return 19

Subroutine Call 8 Subroutine Definition 13

Subroutine Reference 4 wantarray 2

System Functions /

abs 1 acos 1

alarm 1 atan2 2

Benchmark 2 Class 1

Complex 2 cos 1

Cwd 1 Data 6

defined 1 die 3

English 3 Env 2

eval 4 exec 2

exit 2 exp 1

ExtUtils 1 File 3

fork 5 getgrent 4

getlogin 1 Getopt 14

getpgrp 1 getprotoent 1

getpwent 3 getpwnam 4

is_windows 1 localtime 1

map 2 Math 3

pack 5 PGP 1

POSIX 1 qualify 2

qualify_to_ref 1 rad2deg 1

rand 10 Safe 1

scalar 3 setlocale 1

Shell 5 sin 3

sleep 2 sqrt 1

srand 1 system 10

tan 2 Term 6

Test 1 Text 5

Time 1 undef 1

unpack 5 User 5

vec 1 wait 2

Data Type /

binary 4 Casting 9

Data Type 7 date time 14

float 12 hex 10

int 20 oct 8

ref 10 Reference 26

Array /

Array Assignmengt 10 Array Definition 16

Array Hash 2 Array Index 22

Array Item 13 Array Length 11

Array Loop 11 Array Output 9

Array Reference 10 Array Scalar 10

Array Search 2 Array Value 13

chop chomp 1 delete 1

exists 1 join 5

map 1 Multidimensional Arrays 19

pop 6 push 8

range 2 reverse 10

shift 6 Slice 10

sort 17 splice 17

stack 1 unshift 4

Class /

Attributes 2 Class Definition 3

Constructor 3 Destructor 1

Methods 2 Object 1

File /

binmode 5 CDROM 1

chdir 3 chmod 5

chown 1 close 2

closedir 3 Cwd 1

eof 1 File Copy 3

file handle 16 File Output 7

file read 24 file seek 10

file test 37 file write 16

File 12 FileHandle 1

fileparse 1 flock 2

getc 4 getcwd 1

glob 7 IO 8

link 1 LOCK 1

mkdir 6 Open file 30

opendir 4 PIPE 3

readdir 5 readlink 3

rename 4 rmdir 3

rmtree 2 seekdir 1

select 3 stat 10

Storable 2 symlink 2

tell 3 telldir 3

truncate 2 umask 1

unlink 3

Report /

Alignment 2 Field 11

Footer 1 Format 9

Header 5 Number 1

Output 8 Pagination 1

Special Variables 4 Variable 5

Database /

AnyDBM 4 DBI 9

DBM 8 insert 4

MySql 12 ODBC 6

OLE ADO 3 select 8

Transaction 1 update 3

Hash /

delete 6 each 5

exists 5 Hash Assignment 4

Hash Collections 6 Hash Definition 16

Hash Loop 7 Hash Output 5

Hash Reference 11 Hash Value 8

join 1 key 6

keys 6 lock_value 1

map 2 reverse 4

slice 2 sort 10

value 8 values 2

Language Basics /

Arithmetic Operators 35 Assignment Operators 13

Bitwise Operator 15 Boolean Operators 11

Code Block 12 Command Line 23

Comments 6 Comparison Operators 26

Conditional Operators 3 defined undef 2

Module 4 Package 15

Perl Command 16 Perl Script 17

perldoc 2 PPM 4

Pragmas 6 Print 40

require 1 Scalar Reference 5

Scalar 21 Special Variables 128

strict 10 Variable Scope 7

Statement /

continue 3 Do Until 2

Do While 5 For 25

Foreach 36 goto 2

If 35 Last 12

Next 8 Range 20

Redo 5 switch 3

unless 8 Until 13

While 28

String /

Case 6 chop chomp 13

chr 3 Compare 9

Concatenate 8 crypt 3

DATA 1 Escape 10

Here Document 10 index 5

interpolation 5 join 9

lc 1 lcfirst 1

length 5 Multiline 3

ord 4 pos 1

printf 44 Quotations 57

quotemeta 1 Repetition 8

Replace 3 Reverse 2

rindex 1 Split 8

sprintf 13 String 15

strstr 1 substr 11

uc 1 ucfirst 3