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Index: F

continually growing files, reading : Perl Cookbook, 8.5. Trailing a Growing File

counting lines/paragraphs/records : Perl Cookbook, 8.2. Counting Lines (or Paragraphs or Records) in a File

deleting last line of : Perl Cookbook, 8.10. Removing the Last Line of a File

extracting single line : Perl Cookbook, 8.8. Reading a Particular Line in a File

fixed-length records

Perl Cookbook, 8.0. Introduction
Perl Cookbook, 8.15. Reading Fixed-Length Records

modifying

with -i option : Perl Cookbook, 7.9. Modifying a File in Place with -i Switch
with temporary files : Perl Cookbook, 7.8. Modifying a File in Place with Temporary File
without temporary files : Perl Cookbook, 7.10. Modifying a File in Place Without a Temporary File

processing all words in : Perl Cookbook, 8.3. Processing Every Word in a File

processing binary files : Perl Cookbook, 8.11. Processing Binary Files

random access I/O : Perl Cookbook, 8.12. Using Random-Access I/O

random lines from : Perl Cookbook, 8.6. Picking a Random Line from a File

randomizing line order : Perl Cookbook, 8.7. Randomizing All Lines

reading : (see files, reading)

tctee program : Perl Cookbook, 8.19. Program: tctee

text files as database arrays : Perl Cookbook, 14.7. Treating a Text File as a Database Array

variable-length text fields : Perl Cookbook, 8.9. Processing Variable-Length Text Fields

viewing lastlog file information : Perl Cookbook, 8.20. Program: laston

file descriptors

Programming Perl, 3.2.38. fileno
Programming Perl, 3.2.135. select (ready file descriptors)
opening/closing : Perl Cookbook, 7.19. Opening and Closing File Descriptors by Number

File modules

Advanced Perl Programming, 11.1. Adaptor: An Introduction

Learning Perl on Win32 Systems, B.4. Win32 Extensions

Learning Perl on Win32 Systems, 13.4. Modifying Permissions

database mapping : Advanced Perl Programming, 11.2.4. Multivalued Attributes and Database Mapping

File::Basename module

Perl Cookbook, 9.10. Splitting a Filename into Its Component Parts
Learning Perl on Win32 Systems, 10.3. Using Pathnames and Filenames
Perl in a Nutshell, 8.68. File::Basename
Programming Perl, 7.2.27. File::Basename - Parse File Specifications

File::CheckTree module

Perl in a Nutshell, 8.69. File::CheckTree
Programming Perl, 7.2.28. File::CheckTree - Run Many Tests on a Collection of Files

File::Compare module : Perl in a Nutshell, 8.70. File::Compare

File::Copy module

Perl Cookbook, 9.3. Copying or Moving a File
Perl in a Nutshell, 8.71. File::Copy
Programming Perl, 7.2.29. File::Copy - Copy Files or Filehandles

File::DosGlob module : Perl in a Nutshell, 8.72. File::DosGlob

File::Find module

Perl Cookbook, 9.7. Processing All Files in a Directory Recursively
Perl Cookbook, 9.8. Removing a Directory and Its Contents
Perl in a Nutshell, 8.73. File::Find
Programming Perl, 7.2.30. File::Find - Traverse a File Tree

File::KGlob module : Perl Cookbook, 9.6. Globbing, or Getting a List of Filenames Matching a Pattern

File::LockDir module : Perl Cookbook, 7.21. Program: netlock

File::Path module

Perl in a Nutshell, 8.74. File::Path
Programming Perl, 7.2.31. File::Path - Create or Remove a Series of Directories

File::Spec modules : Perl in a Nutshell, 8.75. File::Spec

File::Spec::Mac module : Perl in a Nutshell, 8.76. File::Spec::Mac
File::Spec::Os2 module : Perl in a Nutshell, 8.77. File::Spec::OS2
File::Spec::Unix module : Perl in a Nutshell, 8.78. File::Spec::Unix
File::Spec::VMS module : Perl in a Nutshell, 8.79. File::Spec::VMS
File::Spec::Win32 module : Perl in a Nutshell, 8.80. File::Spec::Win32

File::Stat module

Perl Cookbook, 8.5. Trailing a Growing File
Perl Cookbook, 9.0. Introduction
Perl in a Nutshell, 8.81. File::stat

implementation of : Advanced Perl Programming, 11.3.1. Adaptor::File

object uniqueness and : Advanced Perl Programming, 11.2.8. Uniqueness of Objects in Memory

file stat cache (_) : Perl Cookbook, 9.0. Introduction

file test operators

Perl in a Nutshell, 4.5.8. File Test Operators
Programming Perl, 2.5.10. Named Unary and File Test Operators

__FILE__ token

Perl Cookbook, 10.4. Determining Current Function Name
Perl in a Nutshell, 4.4.4. Global Special Constants
Programming Perl, 2.3.2.7. Other literal tokens

FileCache module

Perl Cookbook, 7.17. Caching Open Output Filehandles
Perl in a Nutshell, 8.82. FileCache
Programming Perl, 7.2.32. FileCache - Keep More Files Open Than the System Permits

filecheck() : Programming Perl, 7.2.19. ExtUtils::Manifest - Utilities to Write and Check a MANIFEST File

FileHandle module

Advanced Perl Programming, 3.4. Filehandles, Directory Handles, and Formats
Advanced Perl Programming, 3.4.3. Localizing Filehandles
Perl Cookbook, 7.0. Introduction
Perl in a Nutshell, 8.83. FileHandle
Programming Perl, 7.2.33. FileHandle - Supply Object Methods for Filehandles
constructor, open function with : Programming Perl, 3.2.102. open

filehandles

Advanced Perl Programming, B.10. Filehandles, Formats

Advanced Perl Programming, 3.4. Filehandles, Directory Handles, and Formats

Perl Cookbook, 7.0. Introduction

Learning Perl, 1.5.10. Moving the Secret Word List into a Separate File

Learning Perl, 10.1. What Is a Filehandle?

Learning Perl on Win32 Systems, 1.6.10. Moving the Secret Word List into a Separate File

Learning Perl on Win32 Systems, 10.1. What Is a Filehandle?

Perl in a Nutshell, 4.9. Filehandles

Programming Perl, 1.4. Filehandles

angle operator and : Programming Perl, 2.3.7.2. Line input (angle) operator

caching open filehandles : Perl Cookbook, 7.17. Caching Open Output Filehandles

copying

Perl Cookbook, 7.20. Copying Filehandles
Programming Perl, 7.2.29. File::Copy - Copy Files or Filehandles

creating : Programming Perl, 1.4. Filehandles

default

Learning Perl, 10.4. Using Filehandles
Learning Perl on Win32 Systems, 10.5. Using Filehandles

dynamic binding : Advanced Perl Programming, 9.4. Tying Filehandles

ending with _TOP

Programming Perl, 2.8. Formats
Programming Perl, 2.9.2. Per-Filehandle Special Variables

formats and : Learning Perl, 11.3. Invoking a Format

functions for : Perl in a Nutshell, 5.1. Perl Functions by Category

global : Programming Perl, 2.9.5. Global Special Filehandles

indirect : Learning Perl, 12.2. Globbing

local

Advanced Perl Programming, 3.4.3. Localizing Filehandles
Perl Cookbook, 7.16. Storing Filehandles in Variables
Perl Cookbook, 10.13. Saving Global Values
Programming Perl, 2.3.6. Typeglobs and Filehandles

modules/packages and : Advanced Perl Programming, 6.1. Basic Package

names for : Programming Perl, 2.3.1. Variables

networking and : Advanced Perl Programming, 12.5. IO Objects and Filehandles

non-blocking I/O : Perl Cookbook, 7.14. Doing Non-Blocking I/O

nonblocking : Advanced Perl Programming, 12.3.3. Nonblocking Filehandles

object methods for : Programming Perl, 7.2.33. FileHandle - Supply Object Methods for Filehandles

open function : Programming Perl, 3.2.102. open

passing

Advanced Perl Programming, 3.4.2. Passing Filehandles to Subroutines
Perl Cookbook, 7.16. Storing Filehandles in Variables
Perl Cookbook, 10.13. Saving Global Values
Perl Cookbook, 12.5. Determining the Caller's Package
Programming Perl, 2.7.2. Passing References

positioning file pointer for : Programming Perl, 3.2.132. seek

print() and

Learning Perl, 1.5.12. Warning Someone When Things Go Astray
Learning Perl on Win32 Systems, 1.6.12. Warning Someone When Things Go Astray

printing to multiple simultaneously : Perl Cookbook, 7.18. Printing to Many Filehandles Simultaneously

as processes : Learning Perl, 14.3. Using Processes as Filehandles

read() and : Learning Perl, 17.4. Fixed-Length Random Access Databases

reading from

Perl Cookbook, 7.13. Reading from Many Filehandles Without Blocking
Learning Perl, 10.4. Using Filehandles
Learning Perl on Win32 Systems, 10.5. Using Filehandles
Programming Perl, 3.2.116. read

references to : Programming Perl, 4.2.6. Filehandle Referencers

reporting filenames in errors : Perl Cookbook, 7.4. Making Perl Report Filenames in Errors

saving/restoring : Programming Perl, 7.2.54. SelectSaver - Save and Restore Selected Filehandle

seek() and : Learning Perl, 17.4. Fixed-Length Random Access Databases

selecting for output : Programming Perl, 3.2.134. select (output filehandle)

special (predefined)

Perl in a Nutshell, 4.4.3. Global Special Filehandles
Perl in a Nutshell, 4.4.6. Filehandle Special Variables

special variables for : Programming Perl, 2.9.2. Per-Filehandle Special Variables

storing as variables

Perl Cookbook, 7.0. Introduction
Perl Cookbook, 7.16. Storing Filehandles in Variables

tied : Perl Cookbook, 13.15. Creating Magic Variables with tie

typeglobs for : Programming Perl, 2.3.6. Typeglobs and Filehandles

uppercase

Learning Perl, 1.5.10. Moving the Secret Word List into a Separate File
Learning Perl on Win32 Systems, 1.6.10. Moving the Secret Word List into a Separate File

filenames

Learning Perl on Win32 Systems, 10.3. Using Pathnames and Filenames

Programming Perl, 2.3.2.7. Other literal tokens

expanding tildes in : Perl Cookbook, 7.3. Expanding Tildes in Filenames

expansions of : Programming Perl, 3.2.69. glob

filtering as input : Perl Cookbook, 7.7. Writing a Filter

getting from symbolic links : Programming Perl, 3.2.118. readlink

globbing

(see also glob())
(see also typeglobs)
Learning Perl, 1.5.13. Many Secret Word Files in the Current Directory
Learning Perl on Win32 Systems, 1.6.13. Many Secret Word Files in the Current Directory

%INC hash of : Programming Perl, 2.9.4. Global Special Arrays

iterating scripts over : Perl in a Nutshell, 3.2. Command-Line Options

linking

Programming Perl, 3.2.85. link
Programming Perl, 3.2.163. symlink

matching with patterns : Perl Cookbook, 9.6. Globbing, or Getting a List of Filenames Matching a Pattern

multiple, for same file : Perl Cookbook, 9.4. Recognizing Two Names for the Same File

parsing : Perl Cookbook, 9.10. Splitting a Filename into Its Component Parts

renaming

Perl Cookbook, 9.9. Renaming Files
Learning Perl, 13.2. Renaming a File
Learning Perl on Win32 Systems, 1.6.15. Making Those Old Word Lists More Noticeable
Learning Perl on Win32 Systems, 13.2. Renaming a File
Programming Perl, 3.2.122. rename

reporting in errors : Perl Cookbook, 7.4. Making Perl Report Filenames in Errors

sorting

Perl Cookbook, 9.0. Introduction
Perl Cookbook, 9.12. Program: lst

strange, opening files with : Perl Cookbook, 7.2. Opening Files with Unusual Filenames

fileno()

Advanced Perl Programming, 12.5. IO Objects and Filehandles
Perl in a Nutshell, Chapter 5, Reference: fileno
Programming Perl, 3.2.38. fileno

fileparse()

Perl Cookbook, 9.10. Splitting a Filename into Its Component Parts
Programming Perl, 7.2.27. File::Basename - Parse File Specifications

fileparse_set_fstype() : Programming Perl, 7.2.27. File::Basename - Parse File Specifications

files

access

Perl Cookbook, 7.0. Introduction
Perl Cookbook, 9.0. Introduction

age of

Learning Perl, 1.5.11. Ensuring a Modest Amount of Security
Learning Perl on Win32 Systems, 1.6.11. Ensuring a Modest Amount of Security
Programming Perl, 2.5.10. Named Unary and File Test Operators

appending to : Learning Perl, 10.2. Opening and Closing a Filehandle

as arrays (example) : Advanced Perl Programming, 9.2.1. TIEARRAY Example: File as an Array

changing name of : Programming Perl, 3.2.122. rename

closing : Programming Perl, 3.2.18. close

copying

Perl Cookbook, 9.3. Copying or Moving a File
Programming Perl, 7.2.29. File::Copy - Copy Files or Filehandles

core files

Perl in a Nutshell, 3.2. Command-Line Options
Programming Perl, 3.2.29. dump
Programming Perl, 6.1.2. Switches

deleting

Perl Cookbook, 9.2. Deleting a File
Learning Perl, 13.1. Removing a File
Programming Perl, 3.2.181. unlink

editing : (see file contents)

end of file : (see end of file)

extracting columns from (example) : Advanced Perl Programming, 5.5.2. Extracting Columns from a File

flushing output : Perl Cookbook, 7.12. Flushing Output

functions for : Perl in a Nutshell, 5.1. Perl Functions by Category

linking : Learning Perl, 13.3. Creating Alternate Names for a File: Linking

locking

Perl Cookbook, 7.11. Locking a File
Perl Cookbook, 7.21. Program: netlock
region-specific locks : Perl Cookbook, 7.22. Program: lockarea

moving : Perl Cookbook, 9.3. Copying or Moving a File

modules/packages and : Advanced Perl Programming, 6.2. Packages and Files

names of : (see filenames)

non-blocking I/O : Perl Cookbook, 7.14. Doing Non-Blocking I/O

opening

Perl Cookbook, 7.1. Opening a File
Learning Perl, 10.2. Opening and Closing a Filehandle
Programming Perl, 3.2.102. open
Programming Perl, 3.2.165. sysopen

ownership : Programming Perl, 3.2.15. chown

permissions

(see permissions, file)
Learning Perl, 13.5. Modifying Permissions
Learning Perl on Win32 Systems, 13.4. Modifying Permissions
Programming Perl, 3.2.165. sysopen
Programming Perl, 3.2.179. umask

printing to multiple filehandles : Perl Cookbook, 7.18. Printing to Many Filehandles Simultaneously

processing all files in directories

Perl Cookbook, 9.5. Processing All Files in a Directory
Perl Cookbook, 9.7. Processing All Files in a Directory Recursively

reading

Perl Cookbook, 7.15. Determining the Number of Bytes to Read
Perl Cookbook, 8.1. Reading Lines with Continuation Characters
Perl Cookbook, 8.14. Reading a String from a Binary File
Perl Cookbook, 8.16. Reading Configuration Files
in binary mode : Programming Perl, 3.2.8. binmode
backwards : Programming Perl, 7.2.8.6. Examples
hash records : Perl Cookbook, 11.10. Reading and Writing Hash Records to Text Files
via low-level system call : Programming Perl, 3.2.166. sysread
from multiple filehandles : Perl Cookbook, 7.13. Reading from Many Filehandles Without Blocking

returning current position for : Programming Perl, 3.2.169. tell

serialization : (see serialization)

statistics about

Learning Perl, 10.6. The stat and lstat Functions
Learning Perl on Win32 Systems, 10.7. The stat Function
Programming Perl, 3.2.159. stat

storing in program text : Perl Cookbook, 7.6. Storing Files Inside Your Program Text

symbolically linking : Programming Perl, 3.2.163. symlink

temporary : Perl Cookbook, 7.5. Creating Temporary Files

testing

Perl Cookbook, 8.17. Testing a File for Trustworthiness
Programming Perl, 1.5.7. File Test Operators
Programming Perl, 7.2.28. File::CheckTree - Run Many Tests on a Collection of Files

testing for existence

Learning Perl, 10.5. The -x File Tests
Learning Perl on Win32 Systems, 10.6. The -x File Tests

text/binary distinction : Programming Perl, 3.2.102. open

timestamps of

Perl Cookbook, 9.1. Getting and Setting Timestamps
Learning Perl, 13.7. Modifying Timestamps
Learning Perl on Win32 Systems, 13.5. Modifying Timestamps
Programming Perl, 3.2.159. stat
Programming Perl, 3.2.186. utime

truncating : Programming Perl, 3.2.176. truncate

writing via low-level system call : Programming Perl, 3.2.168. syswrite

FileSecurity module

Learning Perl on Win32 Systems, B.4. Win32 Extensions
Learning Perl on Win32 Systems, 13.4. Modifying Permissions

filesystem : (see directories)

-fill option (pack geometry manager) : Perl in a Nutshell, 18.2.1. The pack Geometry Manager

FillAttr() (Win32::Console) : Perl in a Nutshell, Chapter 19, Reference: FillAttr

FillChar() (Win32::Console) : Perl in a Nutshell, Chapter 19, Reference: FillChar

filled fields

Learning Perl, 11.4.4. Filled Fields
Perl in a Nutshell, 4.10. Formats

filtering filenames as input : Perl Cookbook, 7.7. Writing a Filter

filtering output : Perl Cookbook, 16.5. Filtering Your Own Output

filters, source code

Programming Perl, 1.8. List Processing
Programming Perl, 6.4.2.4. Source filters

find()

Learning Perl, 12.5. Reading a Directory Handle
Perl in a Nutshell, 18.12.3. Canvas Methods
Programming Perl, 7.2.30. File::Find - Traverse a File Tree

Find module

Perl in a Nutshell, 8.73. File::Find
Programming Perl, 7.2.30. File::Find - Traverse a File Tree

find2perl program

Programming Perl, 6.4.2.3. find2perl
Programming Perl, 8.5.1. Translation from Awk and Sed

FindBin module

Perl Cookbook, 12.7. Keeping Your Own Module Directory
Perl in a Nutshell, 8.84. FindBin

finddepth() : Perl Cookbook, 9.8. Removing a Directory and Its Contents

finding

most common anything : Perl Cookbook, 5.14. Finding the Most Common Anything
patterns : (see pattern matching; regular expressions)
substrings : Learning Perl, 15.1. Finding a Substring

findlogin program (example) : Perl Cookbook, 7.7. Writing a Filter

findstr command

Learning Perl on Win32 Systems, 7.2. Simple Uses of Regular Expressions
Learning Perl on Win32 Systems, 7.4.2. Ignoring Case

finish() (DBI) : Perl in a Nutshell, Chapter 12, Reference: finish

FIONREAD call : Perl Cookbook, 7.15. Determining the Number of Bytes to Read

firewalls, connecting through : Perl Cookbook, 17.18. Program: fwdport

first_labeled_message() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: first_labeled_message

first_message() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: first_message

first occurrence match : (see m?? (match) operator)

FIRSTKEY method

Advanced Perl Programming, 9.3. Tying Hashes
Programming Perl, 5.4.3. Tying Hashes

fisher_yates_shuffle() : Perl Cookbook, 4.17. Randomizing an Array

fixed-length data/records

Perl Cookbook, 8.0. Introduction
Perl Cookbook, 8.15. Reading Fixed-Length Records
Perl in a Nutshell, 5.1. Perl Functions by Category

fixed-precision numeric fields : Perl in a Nutshell, 4.10. Formats

FixNum class : Perl Cookbook, 13.14. Overloading Operators

fixstyle program (example) : Perl Cookbook, 1.17. Program: fixstyle

fixstyle2 program (example) : Perl Cookbook, 1.17. Program: fixstyle

flags : (see switches, Perl command-line)

flash()

Button widget : Perl in a Nutshell, 18.4.1. Button Methods
Checkbutton widget : Perl in a Nutshell, 18.5.1. Checkbutton Methods
Radiobutton widget : Perl in a Nutshell, 18.6.1. Radiobutton Methods

flattened lists : Perl Cookbook, 4.0. Introduction

floating-point exception, as signal to process : Learning Perl, 14.6. Sending and Receiving Signals

floating-point numbers

Perl Cookbook, 2.0. Introduction
Learning Perl, 2.2.1. All Numbers Use the Same Format Internally
Learning Perl, 2.2.2. Float Literals
Learning Perl on Win32 Systems, 2.2.1. All Numbers Use the Same Format Internally
Learning Perl on Win32 Systems, 2.2.2. Float Literals
Programming Perl, 7.2.42. Math::BigFloat - Arbitrary-Length, Floating-Point Math Package
comparing : Perl Cookbook, 2.2. Comparing Floating-Point Numbers
rounding : Perl Cookbook, 2.3. Rounding Floating-Point Numbers

flock()

Perl Cookbook, 7.11. Locking a File
Perl Cookbook, 7.21. Program: netlock
Perl in a Nutshell, Chapter 5, Reference: flock
Programming Perl, 3.2.39. flock

floor() : Perl Cookbook, 2.3. Rounding Floating-Point Numbers

flow control functions : Perl in a Nutshell, 5.1. Perl Functions by Category

flush()

Advanced Perl Programming, 11.1. Adaptor: An Introduction
Programming Perl, 2.4.2. Pattern-Matching Operators
Programming Perl, 7.2.33. FileHandle - Supply Object Methods for Filehandles
Adaptor::DBI module : Advanced Perl Programming, 11.3.2.1. Storing objects
Adaptor::File module : Advanced Perl Programming, 11.3.1.1. Storing objects

Flush()

Response object, PerlScript : Perl in a Nutshell, 20.2.2.3. Response methods
Win32::Console module : Perl in a Nutshell, Chapter 19, Reference: Flush

flushing output : Perl Cookbook, 7.12. Flushing Output

fmt program : Perl Cookbook, 1.12. Reformatting Paragraphs

FMTEYEWTK tutorials

Advanced Perl Programming, 2. Implementing Complex Data Structures
Advanced Perl Programming, 2.6. Resources

FNDELAY flag : Advanced Perl Programming, 12.3.3. Nonblocking Filehandles

focus() (Canvas) : Perl in a Nutshell, 18.12.3. Canvas Methods

focusmodel() (Frame widget) : Perl in a Nutshell, 18.18.1. Toplevel Methods

folded_demo program (example) : Perl Cookbook, 13.15. Creating Magic Variables with tie

foldername() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: foldername

folders : (see directories)

-font option (widgets) : Perl in a Nutshell, 18.3. Common Widget Configuration Options

fonts, widget : Perl in a Nutshell, 18.1.4. Colors and Fonts

foodfind program : Perl Cookbook, 5.8. Inverting a Hash

footers : Programming Perl, 2.8.2. Footers

footnotes, meaning of

Learning Perl, Conventions Used in This Book
Learning Perl on Win32 Systems, Conventions

=for command (pod) : Perl in a Nutshell, Chapter 4, Reference: =for

=for escape pod directive : Perl Cookbook, 12.16. Documenting Your Module with Pod

for() operator, example of : Learning Perl, A.17. Chapter 18, Converting Other Languages to Perl

for loops

Learning Perl, 4.4. The for Statement

Learning Perl on Win32 Systems, 4.5. The for Statement

Perl in a Nutshell, 4.3.1.2. for loops

Programming Perl, 1.6.2.2. The for statement

Programming Perl, 2.6.4.2. For loops

examples of

Learning Perl, A.3. Chapter 4, Control Structures
Learning Perl, 9.4. Labeled Blocks
Learning Perl on Win32 Systems, A.3. Chapter 4, Control Structures
Learning Perl on Win32 Systems, 9.4. Labeled Blocks

force command (CPAN.pm) : Perl in a Nutshell, Chapter 2, Reference: force

foreach loops

Advanced Perl Programming, 3.2.2.1. Efficient parameter passing

Perl Cookbook, 4.12. Finding the First List Element That Passes a Test

Learning Perl, A.5. Chapter 6, Basic I/O

Learning Perl, 1.5.16. Maintaining a Last-Good-Guess Database

Learning Perl, 4.5. The foreach Statement

Learning Perl on Win32 Systems, A.5. Chapter 6, Basic I/O

Learning Perl on Win32 Systems, 1.6.16. Maintaining a Last-Good-Guess Database

Learning Perl on Win32 Systems, 4.6. The foreach Statement

Perl in a Nutshell, 4.3.1.3. foreach loops

Programming Perl, 1.6.2.3. The foreach statement

Programming Perl, 2.6.4.3. Foreach loops

Programming Perl, 8.2.7. Previous Perl Traps

Programming Perl, 8.3.1. Time Efficiency

examples of

Learning Perl, A.3. Chapter 4, Control Structures
Learning Perl, A.4. Chapter 5, Hashes
Learning Perl, A.11. Chapter 12, Directory Access
Learning Perl, A.15. Chapter 16, System Database Access
Learning Perl, 1.5.17. The Final Programs
Learning Perl, 12.5. Reading a Directory Handle
Learning Perl, 17.3. Using a DBM Hash
Learning Perl on Win32 Systems, A.3. Chapter 4, Control Structures
Learning Perl on Win32 Systems, A.4. Chapter 5, Hashes
Learning Perl on Win32 Systems, A.11. Chapter 12, Directory Access
Learning Perl on Win32 Systems, 1.6.17. The Final Programs
Learning Perl on Win32 Systems, 12.5. Reading a Directory Handle
Learning Perl on Win32 Systems, 17.3. Using a DBM Hash

-foreground option (widgets) : Perl in a Nutshell, 18.3. Common Widget Configuration Options

foreign keys : Advanced Perl Programming, 11.2.7. Object Associations

fork()

(see also processes)
Advanced Perl Programming, 12.3.1. Multiple Threads of Execution
Perl Cookbook, 16.0. Introduction
Perl Cookbook, 16.10. Communicating Between Related Processes
Perl Cookbook, 19.6. Executing Commands Without Shell Escapes
Learning Perl, 14.4. Using fork
Perl in a Nutshell, Chapter 5, Reference: fork
Programming Perl, 3.2.40. fork
Programming Perl, 6.2.2.1. Anonymous pipes
avoiding zombies : Perl Cookbook, 16.19. Avoiding Zombie Processes
closing socket after : Perl Cookbook, 17.9. Closing a Socket After Forking

forks

Advanced Perl Programming, 12.3.1. Multiple Threads of Execution
Programming Perl, 3.2.102. open
forking servers : Perl Cookbook, 17.11. Forking Servers
non-forking servers : Perl Cookbook, 17.13. Non-Forking Servers
pre-forking servers : Perl Cookbook, 17.12. Pre-Forking Servers

Form collection : Perl in a Nutshell, 20.2.1. The Request Object

form feed : Programming Perl, 2.9.3. Global Special Variables

:form method group

Learning Perl, 19.5. Less Typing
Perl in a Nutshell, 10.2. Importing Method Groups

form object (PerlScript) : Perl in a Nutshell, 20.1.1. The Document Object

<FORM> tags

Learning Perl, 19.2. Your CGI Program in Context
Perl in a Nutshell, 9.1. A Typical CGI Interaction

format()

HTML::FormatPS module : Perl in a Nutshell, 17.4.4. HTML::FormatPS
HTML::FormatText module : Perl in a Nutshell, 17.4.5. HTML::FormatText
Mail::Address module : Perl in a Nutshell, Chapter 14, Reference: format

format keyword

Learning Perl, 1.5.14. Listing the Secret Words

Learning Perl, 11.2. Defining a Format

Learning Perl on Win32 Systems, 1.6.14. Listing the Secret Words

Learning Perl on Win32 Systems, 11.2. Defining a Format

Perl in a Nutshell, 4.10. Formats

examples of

Learning Perl, 1.5.17. The Final Programs
Learning Perl on Win32 Systems, 1.6.17. The Final Programs

format output accumulator

Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.8.3. Accessing Formatting Internals
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
formline function : Programming Perl, 3.2.42. formline

$FORMAT_FORMFEED ($^L) variable

Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

$FORMAT_LINE_BREAK_CHARACTERS

Learning Perl, 11.4.4. Filled Fields
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

$FORMAT_LINEFEED

Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

$FORMAT_LINES_LEFT ($-) variable

Learning Perl, 11.6.5. Changing the Position on the Page
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
interaction with $= variable : Learning Perl, 11.6.5. Changing the Position on the Page

$FORMAT_LINES_PER_PAGE ($=) variable

Learning Perl, 11.6.5. Changing the Position on the Page
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

$FORMAT_NAME ($~) variable

Learning Perl, 11.6.2. Changing the Format Name
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

$FORMAT_PAGE_NUMBER ($%) variable

Learning Perl, 1.5.14. Listing the Secret Words
Learning Perl on Win32 Systems, 1.6.14. Listing the Secret Words
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

$FORMAT_TOP_NAME ($^) variable

Learning Perl, 11.6.3. Changing the Top-of-Page Format Name
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
Programming Perl, 8.2.1. Universal Blunders

FormatMessage module : Learning Perl on Win32 Systems, B.4. Win32 Extensions

formats

Learning Perl, 11.1. What Is a Format?

Perl in a Nutshell, 4.10. Formats

Programming Perl, 2.8. Formats

Programming Perl, 2.9.2. Per-Filehandle Special Variables

changing top-of-page format name : Learning Perl, 11.6.3. Changing the Top-of-Page Format Name

constant part : Learning Perl, 11.1. What Is a Format?

declaration : Programming Perl, 3.2.41. format

defining : Learning Perl, 11.2. Defining a Format

examples of

Learning Perl, A.10. Chapter 11, Formats
Learning Perl, 1.5.14. Listing the Secret Words
Learning Perl on Win32 Systems, 1.6.14. Listing the Secret Words

location in source file : Learning Perl, 11.2. Defining a Format

defining text fields : Learning Perl, 11.4.1. Text Fields

fieldholders and fieldlines : Learning Perl, 11.2. Defining a Format

invoking : Learning Perl, 11.3. Invoking a Format

multi-line fieldholder : Learning Perl, 11.4.3. Multiline Fields

names of formats

Learning Perl, 11.2. Defining a Format
Learning Perl, 11.6.2. Changing the Format Name
Learning Perl on Win32 Systems, 11.2. Defining a Format
Learning Perl on Win32 Systems, 11.6.2. Changing the Format Name
Programming Perl, 3.2.41. format

strings, C-style : Programming Perl, 3.2.156. sprintf

templates for : Learning Perl, 11.2. Defining a Format

top-of-page : Learning Perl, 11.5. The Top-of-Page Format

variable part : Learning Perl, 11.1. What Is a Format?

whitespace within : Learning Perl, 11.2. Defining a Format

formatted output, printf() and : Learning Perl, 6.3.2. Using printf for Formatted Output

formfeed, and top-of-page format : Learning Perl, 11.5. The Top-of-Page Format

formline()

Perl in a Nutshell, Chapter 5, Reference: formline
Programming Perl, 3.2.42. formline

forms, HTML

Perl Cookbook, 19.0. Introduction
Learning Perl, 19.2. Your CGI Program in Context
Learning Perl, 19.6. Form Generation
Learning Perl, 19.7. Other Form Elements
saving or emailing : Perl Cookbook, 19.13. Saving a Form to a File or Mail Pipe
sticky widgets : Perl Cookbook, 19.11. Creating Sticky Widgets
submitting : Perl Cookbook, 20.2. Automating Form Submission

fractal-drawing example

Advanced Perl Programming, 18.2. Example: Fractals with Perl
Advanced Perl Programming, 18.6. A Detour into Fractals

fraction() (Scrollbar) : Perl in a Nutshell, 18.9.1. Scrollbar Methods

frag() (URI::URL) : Perl in a Nutshell, Chapter 17, Reference: frag

frame() (Frame widget) : Perl in a Nutshell, 18.18.1. Toplevel Methods

frame object (PerlScript) : Perl in a Nutshell, 20.1. Client-Side PerlScript

Frame widgets (Perl/Tk)

Advanced Perl Programming, 14.3.7. Frame
Perl Cookbook, 15.14. Creating Menus with Tk
Perl in a Nutshell, 18.17. The Frame Widget

FrameMaker, translating pod to : Perl in a Nutshell, Chapter 4, Reference: pod2fm

Free() (Win32::Console) : Perl in a Nutshell, Chapter 19, Reference: Free

freeze function : Advanced Perl Programming, 13.2.2. RPC: Implementation

FreezeThaw module : Advanced Perl Programming, 10.2.1. FreezeThaw

fresh hyperlinks, finding : Perl Cookbook, 20.8. Finding Fresh Links

fresh_until() (HTTP::Response) : Perl in a Nutshell, Chapter 17, Reference: fresh_until

freshness_lifetime() (HTTP::Response) : Perl in a Nutshell, Chapter 17, Reference: freshness_lifetime

Friedl, Jeffrey : Perl Cookbook, 6.10. Speeding Up Interpolated Matches

from() (LWP::UserAgent) : Perl in a Nutshell, Chapter 17, Reference: from

-from option (Scale) : Perl in a Nutshell, 18.13. The Scale Widget

FsType function : Learning Perl on Win32 Systems, 10.7. The stat Function

FsType module : Learning Perl on Win32 Systems, B.4. Win32 Extensions

FTP (File Transfer Protocol)

Perl Cookbook, 18.2. Being an FTP Client

Learning Perl, FTP

Perl in a Nutshell, 16. FTP

FTP module : Advanced Perl Programming, 12.6.1. Net::FTP

Net::FTP module : Perl in a Nutshell, 16.2. Net::FTP

Net::Netrc module : Perl in a Nutshell, 16.3. FTP Configuration with Net::Netrc

obtaining code examples

Advanced Perl Programming, FTP
Learning Perl on Win32 Systems, FTP
Programming Perl, 8.5.2. Examples

obtaining Perl

Perl in a Nutshell, 2.1. The CPAN Architecture
Programming Perl, Using Anonymous FTP

Win32::Internet functions for : Perl in a Nutshell, 19.7.2. FTP Functions

FTP() (Win32::Internet) : Perl in a Nutshell, Chapter 19, Reference: FTP

FTPMAIL, obtaining code examples

Advanced Perl Programming, FTPMAIL
Learning Perl, FTPMAIL
Learning Perl on Win32 Systems, FTPMAIL

full-screen mode : Perl Cookbook, 15.0. Introduction

full_path() (URI::URL) : Perl in a Nutshell, Chapter 17, Reference: full_path

fullcheck() : Programming Perl, 7.2.19. ExtUtils::Manifest - Utilities to Write and Check a MANIFEST File

fully qualified names : Advanced Perl Programming, 6.1. Basic Package

func() (DBI) : Perl in a Nutshell, Chapter 12, Reference: func

function calls : Programming Perl, 2.5.1. Terms and List Operators (Leftward)

function pointers : Learning Perl on Win32 Systems, D.10.7. Function Pointers

functions

(see

(see also subroutines)

Programming Perl, 1.2.2. Verbs

Programming Perl, 2.7. Subroutines

Programming Perl, 3. Functions

autoloading

Programming Perl, 5.1.3. Autoloading
Programming Perl, 5.3.4. A Class Is Simply a Package

Berkeley DB API : Programming Perl, 7.2.8.5. Using the Berkeley DB interface directly

built-in (Perl) : Perl in a Nutshell, 5. Function Reference

listed alphabetically : Perl in a Nutshell, 5.2. Perl Functions in Alphabetical Order
listed by category : Perl in a Nutshell, 5.1. Perl Functions by Category
socket-related : Perl in a Nutshell, 13.1. Built-in Socket Functions

C library : Programming Perl, 3. Functions

delayed loading of : (see AutoLoader module)

importing to CGI programs : Learning Perl, 19.5. Less Typing

interpolating within strings : Perl Cookbook, 1.10. Interpolating Functions and Expressions Within Strings

loading

AutoLoader module : Perl in a Nutshell, 8.3. AutoLoader

DynaLoader module : Perl in a Nutshell, 8.44. DynaLoader

SelfLoader module

Perl in a Nutshell, 8.129. SelfLoader
Programming Perl, 7.2.9. Devel::SelfStubber - Generate Stubs for a SelfLoading Module
Programming Perl, 7.2.55. SelfLoader - Load Functions Only on Demand

methods vs. : Perl Cookbook, 13.9. Writing an Inheritable Class

named unary operators : Programming Perl, 2.5.10. Named Unary and File Test Operators

names for : Programming Perl, 8.4. Programming with Style

overriding : Programming Perl, 5.2.2. Overriding Built-in Functions

POSIX module : Programming Perl, 7.2.49.2. Functions

references to : Perl Cookbook, 11.4. Taking References to Functions

SWIG : Advanced Perl Programming, 18.3. SWIG Features

future of Perl : Advanced Perl Programming, 20.7. A Peek into the Future

fuzzy matching : Perl Cookbook, 6.13. Approximate Matching

fwdport program (example) : Perl Cookbook, 17.18. Program: fwdport

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