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Index: F

-f operator : 10.5. The -x File Tests

false

definition of : 4.2. The if/unless Statement
regular expressions and : 7.2. Simple Uses of Regular Expressions

Fast module : 19.10.2. Embedded Perl

field definition line, introduced : 1.5.14. Listing the Secret Words

field value line, introduced : 1.5.14. Listing the Secret Words

fieldlines of format : 11.2. Defining a Format

filehandles

1.5.10. Moving the Secret Word List into a Separate File
10.1. What Is a Filehandle?
default : 10.4. Using Filehandles
formats and : 11.3. Invoking a Format
indirect : 12.2. Globbing
print( ) operator and : 1.5.12. Warning Someone When Things Go Astray
as processes : 14.3. Using Processes as Filehandles
read( ) parameters : 17.4. Fixed-Length Random Access Databases
reading from : 10.4. Using Filehandles
seek( ) parameters : 17.4. Fixed-Length Random Access Databases
uppercase : 1.5.10. Moving the Secret Word List into a Separate File

filename glob : 1.5.13. Many Secret Word Files in the Current Directory

files

age, example of : 1.5.11. Ensuring a Modest Amount of Security
appending to : 10.2. Opening and Closing a Filehandle
information about, with stat( ) : 10.6. The stat and lstat Functions
linking : 13.3. Creating Alternate Names for a File: Linking
modifying permissions/ownership : 13.5. Modifying Permissions
modifying timestamps of : 13.7. Modifying Timestamps
opening : 10.2. Opening and Closing a Filehandle
removing : 13.1. Removing a File
renaming : 13.2. Renaming a File
testing for existence : 10.5. The -x File Tests

filled fields, in formats : 11.4.4. Filled Fields

find command : 12.5. Reading a Directory Handle

finding substrings : 15.1. Finding a Substring

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

floating-point numbers

2.2.1. All Numbers Use the Same Format Internally
2.2.2. Float Literals

footnotes, meaning of : Conventions Used in This Book

for statement : 4.4. The for Statement

example of

A.3. Chapter 4, Control Structures
9.4. Labeled Blocks

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

foreach statement

1.5.16. Maintaining a Last-Good-Guess Database

4.5. The foreach Statement

example of

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

foreach( ) operator, example of : A.5. Chapter 6, Basic I/O

fork operator : 14.4. Using fork

fork( ) system call : 14.4. Using fork

:form import tag : 19.5. Less Typing

<FORM> tags : 19.2. Your CGI Program in Context

format definition

examples of

A.10. Chapter 11, Formats
1.5.14. Listing the Secret Words

location in source file : 11.2. Defining a Format

format keyword

1.5.14. Listing the Secret Words
11.2. Defining a Format
example of : 1.5.17. The Final Programs

format names

changing : 11.6.2. Changing the Format Name
selecting : 11.2. Defining a Format

formats : 11.1. What Is a Format?

changing top-of-page format name : 11.6.3. Changing the Top-of-Page Format Name
constant part : 11.1. What Is a Format?
defining : 11.2. Defining a Format
defining text fields : 11.4.1. Text Fields
fieldholders and fieldlines : 11.2. Defining a Format
invoking : 11.3. Invoking a Format
multi-line fieldholder : 11.4.3. Multiline Fields
templates for : 11.2. Defining a Format
top-of-page : 11.5. The Top-of-Page Format
variable part : 11.1. What Is a Format?
whitespace within : 11.2. Defining a Format

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

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

forms, HTML

19.2. Your CGI Program in Context
19.6. Form Generation
elements of : 19.7. Other Form Elements

FTP : FTP

FTPMAIL : FTPMAIL

functions, importing to CGI programs : 19.5. Less Typing

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