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Index: F

• -f operator : The -x File Tests
• false : The if/unless Statement
• • regular expressions : Simple Uses of Regular Expressions
• FAQ, Perl : Support
• field definition line, introduced : Listing the Secret Words
• field value line, introduced : Listing the Secret Words
• fieldlines of format : Defining a Format
• File module
• • Win32 Extensions
  • Modifying Permissions
• File::Basename : Using Pathnames and Filenames
• filehandles
• • Moving the Secret Word List into a Separate File
  • What Is a Filehandle?
  • default, defined : Using Filehandles
  • formats and : Invoking a Format
  • indirect : Globbing
  • print( ) and : Warning Someone When Things Go Astray
  • as processes : Using Processes as Filehandles
  • read( ) and : Fixed-Length Random-Access Databases
  • reading from : Using Filehandles
  • seek( ) and : Fixed-Length Random-Access Databases
  • as uppercase : Moving the Secret Word List into a Separate File
• filename glob : Many Secret Word Files in the Current Directory
• filenames : Using Pathnames and Filenames
• files
• • age, example of : Ensuring a Modest Amount of Security
  • appending to : Opening and Closing a Filehandle
  • information about, with stat( ) : The stat Function
  • modifying permissions of : Modifying Permissions
  • modifying timestamps of : Modifying Timestamps
  • opening : Opening and Closing a Filehandle
  • removing : Removing a File
  • renaming
  • • Making Those Old Word Lists More Noticeable
    • Renaming a File
  • testing for existence : The -x File Tests
• FileSecurity module
• • Win32 Extensions
  • Modifying Permissions
• filled fields, in formats : Filled Fields
• finding a substring : Finding a Substring
• finding a substring in reverse : Finding a Substring
• findstr command : Simple Uses of Regular Expressions
• • ignoring case : Ignoring Case
• floating-point literals : Float Literals
• floating-point numbers : All Numbers Use the Same Format Internally
• footnotes, meaning of : Conventions
• for statement : The for Statement
• • example of
  • • Control Structures
    • Labeled Blocks
• foreach statement
• • Maintaining a Last-Good-Guess Database
  • The foreach Statement
  • example of
  • • Control Structures
    • Hashes
    • Directory Access
    • The Final Programs
    • Reading a Directory Handle
    • Using a DBM Hash
• foreach( ), example of : Basic I/O
• format definition
• • example of : Listing the Secret Words
  • location in source file : Defining a Format
• format fieldholders : Defining a Format
• format fieldlines : Defining a Format
• format keyword
• • Listing the Secret Words
  • Defining a Format
  • example of : The Final Programs
• format names
• • changing : Changing the Format Name
  • selecting : Defining a Format
• format template : Defining a Format
• FormatMessage module : Win32 Extensions
• formats : What Is a Format?
• • changing top-of-page format name : Changing the Top-of-Page Format Name
  • constant part : What Is a Format?
  • defining : Defining a Format
  • defining text fields : Text Fields
  • invoking : Invoking a Format
  • multi-line fieldholder
  • • defined : Multiline Fields
  • top-of-page : The Top-of-Page Format
  • variable part : What Is a Format?
  • whitespace within : Defining a Format
• formatted output, printf( ) and : Using printf for Formatted Output
• formfeed, and top-of-page format : The Top-of-Page Format
• FsType function : The stat Function
• FsType module : Win32 Extensions
• FTP, obtaining exercises via : FTP
• FTPMAIL : FTPMAIL
• function pointers : Function Pointers

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