Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Index: F
- @F array: 4.4.2. Global Special Arrays and Hashes (Perl in a Nutshell)
- 28.2. Special Variables in Alphabetical Order (Programming Perl)
- f command (Perl debugger): 6.2. Debugger Commands (Perl in a Nutshell)
- %f conversion: 6.5. Formatted Output with printf (Learning Perl)
- -f file test operator: 4.5.8. File Test Operators (Perl in a Nutshell)
- F<\\> interior sequence (pod): 4.13.2. Interior Sequences (Perl in a Nutshell)
- -F option (dprofpp): 6.5. The Perl Profiler (Perl in a Nutshell)
- -f option (perlbug): 6.6. The perlbug Program (Perl in a Nutshell)
- -F (pattern to split on) command-line switch: 19.1.3. Switches (Programming Perl)
- \\\\f (formfeed) sequence: 4.6.3. Escaped Sequences (Perl in a Nutshell)
- factorial( ): 4.20. Program: permute (Perl Cookbook)
- failed matches, searching past position of: 5.6.4. Progressive Matching (Programming Perl)
- failure, returning from subroutines: 10.10.1. Problem (Perl Cookbook)
- fallback overloading key: 13.5. When an Overload Handler Is Missing (nomethod and fallback) (Programming Perl)
- false values: 1.. Introduction (Perl Cookbook)
- 1.2.1.1. Singularities (Programming Perl)
- Glossary (Programming Perl)
- FAQ, Perl online: 24.1. Common Goofs for Novices (Programming Perl)
- FAQs, Perl-related: 1.4.2. Frequently Asked Questions Lists (FAQs) (Perl in a Nutshell)
- Fast CGI protocol, using: 32.1.9. World Wide Web (Programming Perl)
- FastCGI: 8.37. CGI::Fast (Perl in a Nutshell)
- fastcwd (Cwd module): 8.49. Cwd (Perl in a Nutshell)
- fatal errors: Glossary (Programming Perl)
- Fatal module: B.5.3. The Fatal Module (Learning Perl)
- 8.92. Fatal (Perl in a Nutshell)
- 32.1.13. Perl Language Extensions and Internals (Programming Perl)
- fcntl( ): 5. Function Reference (Perl in a Nutshell)
- fcntl( ), return values: 10.10.3. Discussion (Perl Cookbook)
- fcntl function: 29.2.37. fcntl (Programming Perl)
- Fcntl module: 8.93. Fcntl (Perl in a Nutshell)
- 32.1.7. Operating System Interfaces (Programming Perl)
- fcntl syscall, filehandle close-on exec flag, manipulating: 16.2.2. Passing Filehandles (Programming Perl)
- fd (DB_File module): 8.52. DB_File (Perl in a Nutshell)
- FETCH( ): 13.15.3. Discussion (Perl Cookbook)
- fetch( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
- fetchall_arrayref( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
- fetching URLs from Perl scripts: 20.1.1. Problem (Perl Cookbook)
- FetchRow( ) (Win32::ODBC): 24.1. ODBC Methods and Properties (Perl in a Nutshell)
- fetchrow_array( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
- fetchrow_arrayref( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
- fetchrow_hashref( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
- FetchURL( ) (Win32::Internet): 22.7.1. General Internet Methods (Perl in a Nutshell)
- -fg option (widgets): 21.3. Common Widget Configuration Options (Perl in a Nutshell)
- <FH> line input operator: 8.. Basic Operations (Perl Cookbook)
- field declarations with use fields pragma: 12.7.1. Field Declarations with use fields (Programming Perl)
- field separator, specifying different: 19.1.3. Switches (Programming Perl)
- Glossary (Programming Perl)
- fieldholders: 4.12. Formats (Perl in a Nutshell)
- FieldNames( ) (Win32::ODBC): 24.1. ODBC Methods and Properties (Perl in a Nutshell)
- %FIELDS hash: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- fields module: 8.94. fields (Perl in a Nutshell)
- 32.1.13. Perl Language Extensions and Internals (Programming Perl)
- FIFOs: 16.3.4. Named Pipes (Programming Perl)
- Glossary (Programming Perl)
- FIFOs (named pipes): 16.11.1. Problem (Perl Cookbook)
- __FILE__; setting: 24.5.2. Generating Perl in Other Languages (Programming Perl)
- file access: 9.. Introduction (Perl Cookbook)
- access modes: 7.. I/O Operations (Perl Cookbook)
- 7.1.3. Discussion (Perl Cookbook)
- copying and moving files: 9.3.1. Problem (Perl Cookbook)
- editing files (see file contents)
- filehandles: 7.. Getting a Handle on the File (Perl Cookbook)
- 7.. Standard Filehandles (Perl Cookbook)
- caching open: 7.7.1. Problem (Perl Cookbook)
- copying: 7.10.1. Problem (Perl Cookbook)
- printing to multiple: 7.8.1. Problem (Perl Cookbook)
- reading a line from, without blocking: 7.23.1. Problem (Perl Cookbook)
- reading from multiple: 7.22.1. Problem (Perl Cookbook)
- filtering filename input: 7.14.1. Problem (Perl Cookbook)
- flushing output: 7.19.1. Problem (Perl Cookbook)
- locking files: 7.18.1. Problem (Perl Cookbook)
- non-blocking I/O: 7.20.1. Problem (Perl Cookbook)
- opening and closing file descriptors: 7.9.1. Problem (Perl Cookbook)
- processing all files in directories: 9.5.1. Problem (Perl Cookbook)
- storing files in program text: 7.12.1. Problem (Perl Cookbook)
- timestamps: 9.1.1. Problem (Perl Cookbook)
- unread bytes, determining number of: 7.21.1. Problem (Perl Cookbook)
- _ _FILE_ _ constant: 4.4.4. Global Special Constants (Perl in a Nutshell)
- file contents: 8.. Introduction (Perl Cookbook)
- 9.. Introduction (Perl Cookbook)
- adding records to wtmp file: 8.24. Program: tailwtmp (Perl Cookbook)
- comparing two files: 8.22.1. Problem (Perl Cookbook)
- configuration files, reading: 8.16.1. Problem (Perl Cookbook)
- continually growing files, reading: 8.5.1. Problem (Perl Cookbook)
- converting Microsoft files to Unicode: 8.21.1. Problem (Perl Cookbook)
- counting lines, paragraphs, and records: 8.2.1. Problem (Perl Cookbook)
- extracting single line: 8.8.1. Problem (Perl Cookbook)
- fixed-length records: 8.. Advanced Operations (Perl Cookbook)
- I/O layers: 8.. I/O Layers (Perl Cookbook)
- modifying
- processing all words in: 8.3.1. Problem (Perl Cookbook)
- processing binary files: 8.11.1. Problem (Perl Cookbook)
- random access
- random lines from, selecting: 8.6.1. Problem (Perl Cookbook)
- randomizing line order: 8.7.1. Problem (Perl Cookbook)
- reading
- reading and writing hash records to file: 11.10.1. Problem (Perl Cookbook)
- reading and writing Unicode from filehandles: 8.20.1. Problem (Perl Cookbook)
- setting default I/O layers: 8.19.1. Problem (Perl Cookbook)
- tctee program: 8.25. Program: tctee (Perl Cookbook)
- testing for trustworthiness: 8.17.1. Problem (Perl Cookbook)
- treating
- variable-length text fields: 8.9.1. Problem (Perl Cookbook)
- viewing lastlog file information: 8.26. Program: laston (Perl Cookbook)
- file conversions, Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
- file descriptors: 29.2.38. fileno (Programming Perl)
- 29.2.141. select (ready file descriptors) (Programming Perl)
- Glossary (Programming Perl)
- filehandles, passing with: 16.2.2. Passing Filehandles (Programming Perl)
- opening and closing: 7.9.1. Problem (Perl Cookbook)
- passing through environment variable or command-line option: 16.2.2. Passing Filehandles (Programming Perl)
- returning for tied filehandles: 14.4.1. Filehandle-Tying Methods (Programming Perl)
- file extensions: 12.. Other Kinds of Library Files (Perl Cookbook)
- 1.4.1. A Simple Program (Learning Perl)
- File modules: 8.95. File::Basename (Perl in a Nutshell)
- File::Basename module: 8.95. File::Basename (Perl in a Nutshell)
- File::CheckTree module: 8.96. File::CheckTree (Perl in a Nutshell)
- File::Compare module: 8.97. File::Compare (Perl in a Nutshell)
- File::Copy module: 8.98. File::Copy (Perl in a Nutshell)
- File::DosGlob module: 8.99. File::DosGlob (Perl in a Nutshell)
- File::Find module: 8.100. File::Find (Perl in a Nutshell)
- File::Path module: 8.101. File::Path (Perl in a Nutshell)
- File::Spec module: 8.102. File::Spec (Perl in a Nutshell)
- File::Spec::Mac module: 8.104. File::Spec::Mac (Perl in a Nutshell)
- File::Spec::Os2 module: 8.105. File::Spec::OS2 (Perl in a Nutshell)
- File::Spec::Unix module: 8.106. File::Spec::Unix (Perl in a Nutshell)
- File::Spec::VMS module: 8.107. File::Spec::VMS (Perl in a Nutshell)
- File::Spec::Win32 module: 8.108. File::Spec::Win32 (Perl in a Nutshell)
- File::Stat module: 8.109. File::stat (Perl in a Nutshell)
- File::Temp module: 8.110. File::Temp (Perl in a Nutshell)
- __FILE__ symbol: 10.4.3. Discussion (Perl Cookbook)
- file test operators: 9.. Introduction (Perl Cookbook)
- file tests: Glossary (Programming Perl)
- __FILE__ token: 2.6.8. Other Literal Tokens (Programming Perl)
- File::Basename module: 9.10.2. Solution (Perl Cookbook)
- 12.1. Sample Function-Oriented Interface: File::Basename (Learning Perl Objects, References and Modules)
- 12.1. Sample Function-Oriented Interface: File::Basename (Learning Perl Objects, References and Modules)
- 12.8. Importing with Exporter (Learning Perl Objects, References and Modules)
- 25.3. Files and Filesystems (Programming Perl)
- 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- FileCache module: 7.7.2. Solution (Perl Cookbook)
- 8.111. FileCache (Perl in a Nutshell)
- File::CheckTree module: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::chmod module: 9.11.3. Discussion (Perl Cookbook)
- 29.2.10. chmod (Programming Perl)
- File::Compare module: 8.22.2. Solution (Perl Cookbook)
- 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::Copy module: B.5.5. The File::Copy Module (Learning Perl)
- File::DosGlob module: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::Find library: 12.5. Recursive Directory Listing (Learning Perl)
- File::Find module: 9.7.2. Solution (Perl Cookbook)
- 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- features: 6.3. Callbacks (Learning Perl Objects, References and Modules)
- 6.4. Closures (Learning Perl Objects, References and Modules)
- removing directories recursively: 9.8.2. Solution (Perl Cookbook)
- returning coderefs: 6.8.1. Exercise [30 min] (Learning Perl Objects, References and Modules)
- File::Glob module: 7.3.3. Discussion (Perl Cookbook)
- 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- fileglob operator: 2.11.3. Filename Globbing Operator (Programming Perl)
- FileHandle module: 8.112. FileHandle (Perl in a Nutshell)
- 7.1. Format Variables (Programming Perl)
- 7.2.1. Accessing Formatting Internals (Programming Perl)
- 32.1.5. Filehandle, Directory Handle, and Stream I/O Utilities (Programming Perl)
- filehandle-tying: 14.4.1. Filehandle-Tying Methods (Programming Perl)
- filehandles: 7.. Getting a Handle on the File (Perl Cookbook)
- 11.1. What Is a Filehandle? (Learning Perl)
- 4.9. Filehandles (Perl in a Nutshell)
- 1.4. Filehandles (Programming Perl)
- Glossary (Programming Perl)
- anonymous: 8.2.4. Handle References (Programming Perl)
- angle operator and: 2.11.2. Line Input (Angle) Operator (Programming Perl)
- autovivified: 7.5.3. Discussion (Perl Cookbook)
- bad: 11.2.2. Bad Filehandles (Learning Perl)
- caching: 7.7.1. Problem (Perl Cookbook)
- comparing: 8.22.3. Discussion (Perl Cookbook)
- copying: 7.10.1. Problem (Perl Cookbook)
- creating: 1.4. Filehandles (Programming Perl)
- default for output, changing: 11.4.1. Changing the Default Output Filehandle (Learning Perl)
- duplicating, reasons for: 29.2.104. open (Programming Perl)
- ending with _TOP: 7. Formats (Programming Perl)
- 28.2. Special Variables in Alphabetical Order (Programming Perl)
- file locks on: 16.2.1. File Locking (Programming Perl)
- formats associated with, default names of: 7. Formats (Programming Perl)
- functions dealing with: 29.1. Perl Functions by Category (Programming Perl)
- functions for: 5.1. Perl Functions by Category (Perl in a Nutshell)
- implicit referencing in: 8.1. What Is a Reference? (Programming Perl)
- indirect: Glossary (Programming Perl)
- instance variables: 10.1. Nested Object Destruction (Learning Perl Objects, References and Modules)
- local: 10.13.3.2. Using local( ) for local handles (Perl Cookbook)
- local, creating: 29.2.87. local (Programming Perl)
- localizing: 2.10. Typeglobs and Filehandles (Programming Perl)
- names for: 2.5. Names (Programming Perl)
- non-blocking I/O: 7.20.1. Problem (Perl Cookbook)
- object methods for, using: 32.1.5. Filehandle, Directory Handle, and Stream I/O Utilities (Programming Perl)
- ok function (Test::More) and: 14.6. Testing Things That Write to STDOUT and STDERR (Learning Perl Objects, References and Modules)
- open function: 29.2.104. open (Programming Perl)
- opening/closing: 11.2. Opening a Filehandle (Learning Perl)
- package names and: 2.7. Packages as Namespace Separators (Learning Perl Objects, References and Modules)
- passing: 10.13.3.2. Using local( ) for local handles (Perl Cookbook)
- 12.6.3. Discussion (Perl Cookbook)
- 6.4. Prototypes (Programming Perl)
- passing in IPC: 16.2.2. Passing Filehandles (Programming Perl)
- || operator and: A.10.1. Exercise (Section 11.8.1) (Learning Perl Objects, References and Modules)
- piped, explicitly closing: 29.2.104. open (Programming Perl)
- positioning file pointer for: 29.2.138. seek (Programming Perl)
- printing to multiple simultaneously: 7.8.1. Problem (Perl Cookbook)
- processes as: 14.5. Processes as Filehandles (Learning Perl)
- reading
- reading and writing Unicode from: 8.20.1. Problem (Perl Cookbook)
- reading bytes of data from: 29.2.120. read (Programming Perl)
- reading, vs. globbing: 12.3. An Alternate Syntax for Globbing (Learning Perl)
- references to: 11.7. References to Filehandles (Learning Perl Objects, References and Modules)
- 8.2.4. Handle References (Programming Perl)
- reopening: 11.5. Reopening a Standard Filehandle (Learning Perl)
- reporting filenames in errors: 7.4.1. Problem (Perl Cookbook)
- seek offset: 7.. I/O Operations (Perl Cookbook)
- selecting for output: 29.2.140. select (output filehandle) (Programming Perl)
- SelectSaver module: 32.1.5. Filehandle, Directory Handle, and Stream I/O Utilities (Programming Perl)
- special (predefined): 4.4.3. Global Special Filehandles (Perl in a Nutshell)
- 4.4.6. Filehandle Special Variables (Perl in a Nutshell)
- standard: 7.. Standard Filehandles (Perl Cookbook)
- storing in a hash: A.10.1. Exercise (Section 11.8.1) (Learning Perl Objects, References and Modules)
- storing in variables: 7.5.1. Problem (Perl Cookbook)
- syslog tying output to: 14.6. Tie Modules on CPAN (Programming Perl)
- temporary files: 10. Object Destruction (Learning Perl Objects, References and Modules)
- tests for: 11.6. File Tests (Learning Perl)
- tied: 13.15.1. Problem (Perl Cookbook)
- tying: 14.4. Tying Filehandles (Programming Perl)
- typeglobs for: 2.10. Typeglobs and Filehandles (Programming Perl)
- underscore: 11.6.5. Using the Special Underscore Filehandle (Learning Perl)
- use instead of filenames, security benefits of: 23.2.2. Handling Race Conditions (Programming Perl)
- using: 11.4. Using Filehandles (Learning Perl)
- using filename as: 7.4.2. Solution (Perl Cookbook)
- File::KGlob module: 6.9.3. Discussion (Perl Cookbook)
- File::LockDir module: 7.24. Program: netlock (Perl Cookbook)
- filename extensions: 1.4.1. A Simple Program (Learning Perl)
- filename globbing operator (see glob operator)
- filenames: 2.6.8. Other Literal Tokens (Programming Perl)
- Glossary (Programming Perl)
- & (ampersand) in: 29.2.104. open (Programming Perl)
- changing name of: 29.2.128. rename (Programming Perl)
- expanding tildes in: 7.3.1. Problem (Perl Cookbook)
- expansions of: 29.2.69. glob (Programming Perl)
- external data in, security risks of: 23.1.2. Cleaning Up Your Environment (Programming Perl)
- filtering as input: 7.14.1. Problem (Perl Cookbook)
- getting from symbolic links: 29.2.123. readlink (Programming Perl)
- globbing: 9.6.1. Problem (Perl Cookbook)
- 25.4. System Interaction (Programming Perl)
- %INC hash of: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- linking symbolically: 29.2.169. symlink (Programming Perl)
- linking with hard links: 29.2.85. link (Programming Perl)
- mode, separating from: 29.2.104. open (Programming Perl)
- multiple, for same file: 9.4.1. Problem (Perl Cookbook)
- parsing: 9.10.1. Problem (Perl Cookbook)
- renaming: 9.9.1. Problem (Perl Cookbook)
- reporting in errors: 7.4.1. Problem (Perl Cookbook)
- sorting: 9.. Introduction (Perl Cookbook)
- 9.13. Program: lst (Perl Cookbook)
- unusual, opening files with: 7.2.1. Problem (Perl Cookbook)
- using as filehandle: 7.4.2. Solution (Perl Cookbook)
- viewing different program or eval statement: 20.2.5. Locating Code (Programming Perl)
- filenames, File::Spec module for manipulating: B.5.6. The File::Spec Module (Learning Perl)
- File::NFSLock module: 7.18.3. Discussion (Perl Cookbook)
- fileno( ): 5. Function Reference (Perl in a Nutshell)
- fileno function: 29.2.38. fileno (Programming Perl)
- fileparse( ): 9.10.3. Discussion (Perl Cookbook)
- fileparse subroutine (File::Basename): 12.1. Sample Function-Oriented Interface: File::Basename (Learning Perl Objects, References and Modules)
- 12.8. Importing with Exporter (Learning Perl Objects, References and Modules)
- File::Path module: 9.8.2. Solution (Perl Cookbook)
- 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- files: Glossary (Programming Perl)
- access and modification times: 29.2.165. stat (Programming Perl)
- 29.2.193. utime (Programming Perl)
- accessing under reduced privileges: 23.1.3. Accessing Commands and Files Under Reduced Privileges (Programming Perl)
- ages for: 3.10. Named Unary and File Test Operators (Programming Perl)
- binary: 8.11.1. Problem (Perl Cookbook)
- C header, translating with h2ph: 12.17.1. Problem (Perl Cookbook)
- changing name of: 29.2.128. rename (Programming Perl)
- closing: 29.2.16. close (Programming Perl)
- comparing file contents: 8.22.1. Problem (Perl Cookbook)
- configuration, reading: 8.16.1. Problem (Perl Cookbook)
- core: 19.1.3. Switches (Programming Perl)
- creating temporary: 7.11.1. Problem (Perl Cookbook)
- database, in-place editing of: 16.4. Variable-length (Text) Databases (Learning Perl)
- deleting: 9.2.1. Problem (Perl Cookbook)
- distribution templates: 13.2. Looking at the Templates (Learning Perl Objects, References and Modules)
- do FILE operator: 29.2.27. do (file) (Programming Perl)
- downloading, resuming HTTP GET: 20.17.1. Problem (Perl Cookbook)
- end-of-file: 29.2.31. eof (Programming Perl)
- end-of-file (EOF): Glossary (Programming Perl)
- executable: Glossary (Programming Perl)
- File::Copy module for copying/moving: B.5.5. The File::Copy Module (Learning Perl)
- File::Spec module: 12.3. Sample Object-Oriented Interface: File::Spec (Learning Perl Objects, References and Modules)
- find subroutine: 6.4. Closures (Learning Perl Objects, References and Modules)
- finding timestamps: 6.8.1. Exercise [30 min] (Learning Perl Objects, References and Modules)
- functions dealing with: 29.1. Perl Functions by Category (Programming Perl)
- functions for: 5.1. Perl Functions by Category (Perl in a Nutshell)
- getting statistics of: 29.2.165. stat (Programming Perl)
- image, Image::Size module for: B.5.7. The Image::Size Module (Learning Perl)
- in interprocess communication: 16.2. Files (Programming Perl)
- lexically scoped variables and: 2.5.1. Name Lookups (Programming Perl)
- links to, finding with stat function: 11.6.1. The stat and lstat Functions (Learning Perl)
- locking: 7.18.1. Problem (Perl Cookbook)
- manipulating: 13. Manipulating Files and Directories (Learning Perl)
- Microsoft, converting to Unicode: 8.21.1. Problem (Perl Cookbook)
- modules, autoloading: 10.2. Autoloading (Programming Perl)
- modules for cross-platform access methods: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- names of, directory handles for reading: 12.4. Directory Handles (Learning Perl)
- open function: 29.2.104. open (Programming Perl)
- opening: 7.1.1. Problem (Perl Cookbook)
- opening via low-level system call: 29.2.171. sysopen (Programming Perl)
- ownership and group, changing: 29.2.13. chown (Programming Perl)
- ownership of, changing: 13.6. Changing Ownership (Learning Perl)
- parsing specifications: 12.1. Sample Function-Oriented Interface: File::Basename (Learning Perl Objects, References and Modules)
- path components, separators for: 25.3. Files and Filesystems (Programming Perl)
- Perl module, housing in single: 10. Packages (Programming Perl)
- Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
- 22.1. The CPAN modules Directory (Programming Perl)
- permissions: 29.2.10. chmod (Programming Perl)
- 29.2.171. sysopen (Programming Perl)
- 29.2.186. umask (Programming Perl)
- portably opening: 25.4. System Interaction (Programming Perl)
- processing all in directories: 9.5.1. Problem (Perl Cookbook)
- random-access, updating: 8.13.1. Problem (Perl Cookbook)
- read in binary mode: 29.2.6. binmode (Programming Perl)
- reading via low-level system call: 29.2.172. sysread (Programming Perl)
- removing: 13.1. Removing Files (Learning Perl)
- renaming: 13.2. Renaming Files (Learning Perl)
- renaming, program for: 29.2.32. eval (Programming Perl)
- returning current position for: 29.2.176. tell (Programming Perl)
- RSS, reading and writing: 22.9.1. Problem (Perl Cookbook)
- scopes: 4.8.2. Lexically Scoped Variables: my (Programming Perl)
- size of, scalar variable for finding: 11.6.1. The stat and lstat Functions (Learning Perl)
- specifications of, File::Spec module for manipulating: 13.8.3. The File::Spec Module (Learning Perl)
- B.5.6. The File::Spec Module (Learning Perl)
- storing in program text: 7.12.1. Problem (Perl Cookbook)
- symbolically linking: 29.2.169. symlink (Programming Perl)
- test operators: 1.5.7. Some File Test Operators (Programming Perl)
- tests for: 11.6. File Tests (Learning Perl)
- text/binary distinction: 29.2.104. open (Programming Perl)
- treating
- truncating: 29.2.183. truncate (Programming Perl)
- with unusual filenames, opening: 7.2.1. Problem (Perl Cookbook)
- uploaded, receiving with mod_perl handler: 21.7.1. Problem (Perl Cookbook)
- Win32API::File module: 32.1.20. Microsoft-Related Modules (Programming Perl)
- writing via low-level system call: 29.2.175. syswrite (Programming Perl)
- XML, larger than available memory, processing: 22.8.1. Problem (Perl Cookbook)
- File::Spec module: 13.8.3. The File::Spec Module (Learning Perl)
- B.5.6. The File::Spec Module (Learning Perl)
- File::Spec modules
- File::Spec::Functions module: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::Spec::Mac module: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::Spec::OS2 module: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::Spec::Unix module: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::Spec::VMS module: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::Spec::Win32 module: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- File::stat module: 8.5.3. Discussion (Perl Cookbook)
- 9.. Introduction (Perl Cookbook)
- 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- filesystems: Glossary (Programming Perl)
- Glossary (Programming Perl)
- capturing information about: 7.6. Building Recursively Defined Data (Learning Perl Objects, References and Modules)
- portability: 25.3. Files and Filesystems (Programming Perl)
- walking through hierarchy: 6.3. Callbacks (Learning Perl Objects, References and Modules)
- 6.3. Callbacks (Learning Perl Objects, References and Modules)
- File::Temp module: 7.11.2. Solution (Perl Cookbook)
- File::Temp module, dealing with race conditions: 23.2.3. Temporary Files (Programming Perl)
- -fill option
- FillAttr( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
- FillChar( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
- filled field fieldholders: 4.12. Formats (Perl in a Nutshell)
- filtering
- filtering output with forking open: 16.3.2. Talking to Yourself (Programming Perl)
- filters: Glossary (Programming Perl)
- filters, source code: 1.8. List Processing (Programming Perl)
- Filter::Simple module: 8.113. Filter::Simple (Perl in a Nutshell)
- Filter::Util::Call module: 8.114. Filter::Util::Call (Perl in a Nutshell)
- Final handler (Expat): 13.3. Expat Handlers (Perl in a Nutshell)
- find( ) (Canvas): 21.12.3. Canvas Methods (Perl in a Nutshell)
- find command: 1.7. Regular Expressions (Programming Perl)
- find command (Unix): 14.5. Processes as Filehandles (Learning Perl)
- B.26. Converting find Command Lines to Perl (Learning Perl)
- find function, traversing file trees like: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- find subroutine (File::Find): 6.3. Callbacks (Learning Perl Objects, References and Modules)
- 6.4. Closures (Learning Perl Objects, References and Modules)
- FindBin module: 12.8.3. Discussion (Perl Cookbook)
- 8.115. FindBin (Perl in a Nutshell)
- 32.1.17. Module Installation Support (Programming Perl)
- finddepth( ): 9.8.2. Solution (Perl Cookbook)
- finding
- fresh hyperlinks: 20.8.1. Problem (Perl Cookbook)
- most common anything: 5.15.1. Problem (Perl Cookbook)
- patterns (see regular expressions)
- text and elements in XML documents: 22.6.1. Problem (Perl Cookbook)
- versions and descriptions of modules: 12.23. Program: Finding Versions and Descriptions of Installed Modules (Perl Cookbook)
- findnodes( ) vs. getElementsByTagName( ): 22.6.3. Discussion (Perl Cookbook)
- find2perl command: B.26. Converting find Command Lines to Perl (Learning Perl)
- findstr function: 1.7. Regular Expressions (Programming Perl)
- 1.7. Regular Expressions (Programming Perl)
- finish( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
- FIONREAD call: 7.21.2. Solution (Perl Cookbook)
- firewalls, fetching web pages through: 17.21. Program: fwdport (Perl Cookbook)
- first found occurrence of a substring, index function for: 15.1. Finding a Substring with index (Learning Perl)
- first_labeled_message( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
- first_message( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
- fixed 8-bit chracters: 15.1. Building Character (Programming Perl)
- fixed-length data/records, functions for: 5.1. Perl Functions by Category (Perl in a Nutshell)
- fixed-length random-access databases: 16.3. Fixed-length Random-access Databases (Learning Perl)
- fixed-length records: 8.. Advanced Operations (Perl Cookbook)
- fixed-precision numeric fields: 4.12. Formats (Perl in a Nutshell)
- FixNum class: 13.14.5. Example: Overloaded FixNum Class (Perl Cookbook)
- fixstyle program: 1.23. Program: fixstyle (Perl Cookbook)
- flags: 9.2. Option Modifiers (Learning Perl)
- 3.2. Command-Line Options (Perl in a Nutshell)
- 5.2.1. Pattern Modifiers (Programming Perl)
- 19.1.3. Switches (Programming Perl)
- Glossary (Programming Perl)
- Glossary (Programming Perl)
- (see also modifiers; switches)
- flash( )
- flat-file databases: B.7.2. Flat-file Database Access (Learning Perl)
- flat file index program: 8.27. Program: Flat File Indexes (Perl Cookbook)
- flattened lists: 4.. Introduction (Perl Cookbook)
- Flintstones
- anchors and: 8.3.1. Word Anchors (Learning Perl)
- illustrating backreferences: 8.4.1. Backreferences (Learning Perl)
- illustrating hash names: 5.2. Hash Element Access (Learning Perl)
- illustrating Unix grep command: 7.1. What Are Regular Expressions? (Learning Perl)
- precedence and: 8.5.1. Examples of Precedence (Learning Perl)
- floating-point conversion: 6.5. Formatted Output with printf (Learning Perl)
- floating-point literals: 2.2.2. Floating-Point Literals (Learning Perl)
- floating-point numbers: 2.. Introduction (Perl Cookbook)
- 2.6. Scalar Values (Programming Perl)
- 29.2.108. pack (Programming Perl)
- Glossary (Programming Perl)
- comparing: 2.3.1. Problem (Perl Cookbook)
- computer storage, order of: 25.2. Endianness and Number Width (Programming Perl)
- Math::BigFloat module: 32.1.1. Data Types (Programming Perl)
- rand function, returning: 29.2.119. rand (Programming Perl)
- rounding: 2.2.1. Problem (Perl Cookbook)
- flock( ): 5. Function Reference (Perl in a Nutshell)
- floor( ): 2.2.3. Discussion (Perl Cookbook)
- flow control functions: 5.1. Perl Functions by Category (Perl in a Nutshell)
- flow of program control, functions for: 29.1. Perl Functions by Category (Programming Perl)
- Flush( ) (Win32::Console module): 22.2. Win32::Console (Perl in a Nutshell)
- flushed buffer: 6.4. Output to Standard Output (Learning Perl)
- flushing buffers: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- Glossary (Programming Perl)
- flushing output: 7.19.1. Problem (Perl Cookbook)
- fmt program: 1.17.3. Discussion (Perl Cookbook)
- fmt (Unix utility): 7.1. Format Variables (Programming Perl)
- FMTEYEWTK (Far More Than Everything You Ever Wanted to Know): Glossary (Programming Perl)
- fnctl( ), locking files: 7.18.3. Discussion (Perl Cookbook)
- focus( ) (Canvas): 21.12.3. Canvas Methods (Perl in a Nutshell)
- focusmodel( ) (Frame widget): 21.18.1. Toplevel Methods (Perl in a Nutshell)
- folded_demo program: 13.15.6. Tie Example: Case-Insensitive Hash (Perl Cookbook)
- foldername( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
- folders for email messages: 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
- -font option (widgets): 21.3. Common Widget Configuration Options (Perl in a Nutshell)
- fonts, Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
- fonts, Unicode, support for: 8.21.3. Discussion (Perl Cookbook)
- fonts, widget: 21.1.4. Colors and Fonts (Perl in a Nutshell)
- foodfind program: 5.9.3. Discussion (Perl Cookbook)
- footers: 7.2. Footers (Programming Perl)
- footnotes in this book: 1.1.2. Why Are There So Many Footnotes? (Learning Perl)
- for, as an alias of foreach: 4.4.3. foreach Loops (Programming Perl)
- =for command (pod): 4.13.1. Paragraph Tags (Perl in a Nutshell)
- for control structure: 10.7. The for Control Structure (Learning Perl)
- =for escape pod directive: 12.20.3. Discussion (Perl Cookbook)
- for loops: 4.3.1.2. for loops (Perl in a Nutshell)
- for modifier: 4.1. Simple Statements (Programming Perl)
- 4.4.2. for Loops (Programming Perl)
- force command (CPAN.pm): 2.4.4. Installing Modules with the CPAN Module (Perl in a Nutshell)
- ForceArray option: 22.1.3. Discussion (Perl Cookbook)
- force_last_request( ) (HTTP::Daemon::ClientConn): 20.3.7.1. HTTP::Daemon::ClientConn methods (Perl in a Nutshell)
- foreach control structure: 3.6. The foreach Control Structure (Learning Perl)
- foreach loop: 4.13.2. Solution (Perl Cookbook)
- printing to multiple filehandles: 7.8.2. Solution (Perl Cookbook)
- renaming files: 9.9.2. Solution (Perl Cookbook)
- traversing hashes: 5.5.2. Solution (Perl Cookbook)
- 4.3.1.3. foreach loops (Perl in a Nutshell)
- 1.6.2.3. The foreach statement (Programming Perl)
- 4.4.3. foreach Loops (Programming Perl)
- 24.2.1. Time Efficiency (Programming Perl)
- aliasing capability, using: 4.5.1. Case Structures (Programming Perl)
- loop variable, Perl vs. shell programming: 24.1.4. Shell Traps (Programming Perl)
- Perl versions, changes in: 24.1.5. Previous Perl Traps (Programming Perl)
- searching and replacing elements in arrays: 5.2.3.1. Modifying strings en passant (Programming Perl)
- foreach modifier: 10.3. Expression Modifiers (Learning Perl)
- 10.3. Expression Modifiers (Learning Perl)
- 4.1. Simple Statements (Programming Perl)
- -foreground option (widgets): 21.3. Common Widget Configuration Options (Perl in a Nutshell)
- fork( ): 5. Function Reference (Perl in a Nutshell)
- 16.10.2. Solution (Perl Cookbook)
- 16.10.3. Discussion (Perl Cookbook)
- (see also processes)
- avoiding zombie processes: 16.19.1. Problem (Perl Cookbook)
- closing sockets after: 17.9.1. Problem (Perl Cookbook)
- forking servers: 17.11.1. Problem (Perl Cookbook)
- non-forking servers: 17.13.1. Problem (Perl Cookbook)
- preforking servers: 17.12.1. Problem (Perl Cookbook)
- shell escapes: 19.5.3. Discussion (Perl Cookbook)
- 29.2.40. fork (Programming Perl)
- Glossary (Programming Perl)
- child processes, inheriting parent filehandles: 16.2.2. Passing Filehandles (Programming Perl)
- fork-open: 16.3.2. Talking to Yourself (Programming Perl)
- locks, inheriting across calls to: 29.2.39. flock (Programming Perl)
- portability of: 25.5. Interprocess Communication (IPC) (Programming Perl)
- servers, cloning themselves with: 16.5.2. Networking Servers (Programming Perl)
- zombie processes and: 16.1.2. Reaping Zombies (Programming Perl)
- fork syscall: 16.3.1. Anonymous Pipes (Programming Perl)
- fork system call: 14.6. Getting Down and Dirty with Fork (Learning Perl)
- forks: 29.2.104. open (Programming Perl)
- form feed: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- form geometry manager (Perl/Tk): 21.2.4. The form Geometry Manager (Perl in a Nutshell)
- :form method group: 10.2. Importing Method Groups (Perl in a Nutshell)
- <form\\> tag: 9.1. A Typical CGI Interaction (Perl in a Nutshell)
- formal arguments: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- Glossary (Programming Perl)
- format( )
- HTML::FormatPS module: 20.4.5. HTML::FormatPS (Perl in a Nutshell)
- HTML::FormatText module: 20.4.6. HTML::FormatText (Perl in a Nutshell)
- Mail::Address module: 16.2.7. Mail::Address Reference (Perl in a Nutshell)
- declaration: 29.2.41. format (Programming Perl)
- output accumulator: 29.2.42. formline (Programming Perl)
- format keyword: 4.12. Formats (Perl in a Nutshell)
- format letters: 16.2. Manipulating Data with pack and unpack (Learning Perl)
- format strings: 16.2. Manipulating Data with pack and unpack (Learning Perl)
- $FORMAT_FORMFEED: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- $FORMAT_FORMFEED ($^L) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
- $FORMAT_LINE_BREAK_CHARACTERS: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- $FORMAT_LINE_BREAK_CHARACTERS ($:) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
- $FORMAT_LINES_LEFT: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- $FORMAT_LINES_LEFT ($-) variable: 4.4.6. Filehandle Special Variables (Perl in a Nutshell)
- $FORMAT_LINES_PER_PAGE: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- $FORMAT_LINES_PER_PAGE ($=) variable: 4.4.6. Filehandle Special Variables (Perl in a Nutshell)
- $FORMAT_NAME: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- $FORMAT_NAME ($~) variable: 4.4.6. Filehandle Special Variables (Perl in a Nutshell)
- $FORMAT_PAGE_NUMBER: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- $FORMAT_PAGE_NUMBER ($%) variable: 4.4.6. Filehandle Special Variables (Perl in a Nutshell)
- formats: B.12. Formats (Learning Perl)
- 4.12. Formats (Perl in a Nutshell)
- 7. Formats (Programming Perl)
- Glossary (Programming Perl)
- accessing formatting internals: 7.2.1. Accessing Formatting Internals (Programming Perl)
- argument lists for, evaluating in list context: 24.1.5. Previous Perl Traps (Programming Perl)
- B::Xref module, cross-references with C: 18.6. Code Development Tools (Programming Perl)
- characters in: 29.2.108. pack (Programming Perl)
- declaring: 7. Formats (Programming Perl)
- fmt (Unix utility): 7.1. Format Variables (Programming Perl)
- footers: 7.2. Footers (Programming Perl)
- integers: 29.2.108. pack (Programming Perl)
- lexical variables in: 7. Formats (Programming Perl)
- pack/unpack: 29.2.108. pack (Programming Perl)
- for strings: 29.2.162. sprintf (Programming Perl)
- top-of-form processing: 7. Formats (Programming Perl)
- variables: 7.1. Format Variables (Programming Perl)
- format_string( ): 20.5.3. Discussion (Perl Cookbook)
- formatted output: 6.5. Formatted Output with printf (Learning Perl)
- $FORMAT_TOP_NAME: 28.2. Special Variables in Alphabetical Order (Programming Perl)
- $FORMAT_TOP_NAME ($^) variable: 4.4.6. Filehandle Special Variables (Perl in a Nutshell)
- formCheck( ) (form geometry manager): 21.2.4. The form Geometry Manager (Perl in a Nutshell)
- formForget( ) (form geometry manager): 21.2.4. The form Geometry Manager (Perl in a Nutshell)
- formGrid( ) (form geometry manager): 21.2.4. The form Geometry Manager (Perl in a Nutshell)
- formInfo( ) (form geometry manager): 21.2.4. The form Geometry Manager (Perl in a Nutshell)
- formline( ): 5. Function Reference (Perl in a Nutshell)
- formline function: 29.2.42. formline (Programming Perl)
- formline operator: 7.2.1. Accessing Formatting Internals (Programming Perl)
- forms, HTML: 19.. HTML and Forms (Perl Cookbook)
- formSlaves( ) (form geometry manager): 21.2.4. The form Geometry Manager (Perl in a Nutshell)
- Fortran: 2.2. Molecules (Programming Perl)
- forward slash (/)
- /e substitution modifier: 1.12.3. Discussion (Perl Cookbook)
- 6.. Pattern-Matching Modifiers (Perl Cookbook)
- /g pattern-matching modifier: 6.. Pattern-Matching Modifiers (Perl Cookbook)
- /i pattern-matching modifier: 6.. Pattern-Matching Modifiers (Perl Cookbook)
- /m pattern-matching modifier: 6.. Pattern-Matching Modifiers (Perl Cookbook)
- /o pattern-matching modifier: 6.10.2. Solution (Perl Cookbook)
- root directory: 9.. Introduction (Perl Cookbook)
- /s pattern-matching modifier: 6.. Pattern-Matching Modifiers (Perl Cookbook)
- /x pattern modifier: 1.12.3. Discussion (Perl Cookbook)
- enclosing a pattern: 7.2. Using Simple Patterns (Learning Perl)
- vs. m// operator: 9.1. Matches with m// (Learning Perl)
- fraction( ) (Scrollbar): 21.9.1. Scrollbar Methods (Perl in a Nutshell)
- frag( ) (URI::URL): 20.5.3. URI::URL (Perl in a Nutshell)
- frame( ) (Frame widget): 21.18.1. Toplevel Methods (Perl in a Nutshell)
- frame option (debugger): 20.3.3. Debugger Options (Programming Perl)
- Frame widget (Perl/Tk): 21.17. The Frame Widget (Perl in a Nutshell)
- Frame widget, Tk: 15.14.2. Solution (Perl Cookbook)
- FrameMaker, translating pod to: 4.13.3. Pod Utilities (Perl in a Nutshell)
- free-form languages: 2.2. Molecules (Programming Perl)
- Free( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
- freeware: Glossary (Programming Perl)
- freshness_lifetime( ) (HTTP::Response): 20.3.2. HTTP::Response (Perl in a Nutshell)
- fresh_until( ) (HTTP::Response): 20.3.2. HTTP::Response (Perl in a Nutshell)
- Friedl, Jeffrey: B.2. Regular expressions (Learning Perl)
- friend classes: 10.4. Additional Instance Variables in Subclasses (Learning Perl Objects, References and Modules)
- 11.5. Creating Getters and Setters More Easily (Learning Perl Objects, References and Modules)
- from( ) (LWP::UserAgent): 20.2.3. LWP::UserAgent (Perl in a Nutshell)
- 20.2.3. LWP::UserAgent (Perl in a Nutshell)
- 20.2.3. LWP::UserAgent (Perl in a Nutshell)
- -from option (Scale): 21.13. The Scale Widget (Perl in a Nutshell)
- FTP clients: 18.2.1. Problem (Perl Cookbook)
- FTP (File Transfer Protocol): 18. FTP (Perl in a Nutshell)
- FTP( ) (Win32::Internet): 22.7.1. General Internet Methods (Perl in a Nutshell)
- full-screen mode: 15.. Introduction (Perl Cookbook)
- full_path( ) (URI::URL): 20.5.3. URI::URL (Perl in a Nutshell)
- fully-qualified names: 2.5. Names (Programming Perl)
- func( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
- function call, pipe, low-level for bi-directional communication: 16.3.3. Bidirectional Communication (Programming Perl)
- function calls: 3.1. Terms and List Operators (Leftward) (Programming Perl)
- function calls, parentheses and: 6.4. Output to Standard Output (Learning Perl)
- function templates, closures as: 8.3.7.1. Closures as function templates (Programming Perl)
- functions: 1.2.2. Verbs (Programming Perl)
- 6. Subroutines (Programming Perl)
- 29. Functions (Programming Perl)
- 29. Functions (Programming Perl)
- Glossary (Programming Perl)
- autoloading: 10.2. Autoloading (Programming Perl)
- 12.5.4. Method Autoloading (Programming Perl)
- built-in, listing by type: 32.1.16. Documentation Support (Programming Perl)
- builtin, ampersand and: 4.11.1. Omitting the Ampersand (Learning Perl)
- by category: 29.1. Perl Functions by Category (Programming Perl)
- byte-oriented wrappers for: 15.2. Effects of Character Semantics (Programming Perl)
- C library: 29. Functions (Programming Perl)
- debugger, calling internal: 20.3.2. Customizing with Init Files (Programming Perl)
- debugger customization: 20.5.1. Writing Your Own Debugger (Programming Perl)
- default arguments, avoiding errors with: 24.1.2. Frequently Ignored Advice (Programming Perl)
- defaults for: 1.2.2. Is Perl Easy or Hard? (Learning Perl)
- generation of: 8.3.7. Closures (Programming Perl)
- hashes of: 9.5. Hashes of Functions (Programming Perl)
- interpolating: 14.2.2. Notational Convenience (Programming Perl)
- interpolating within strings: 1.15.1. Problem (Perl Cookbook)
- in list or scalar context: 29. Functions (Programming Perl)
- vs. methods: 13.10.3. Discussion (Perl Cookbook)
- modules, exporting to programs: 11.2.1. Module Privacy and the Exporter (Programming Perl)
- named unary operators: 3.10. Named Unary and File Test Operators (Programming Perl)
- names for: 24.3. Programming with Style (Programming Perl)
- operators and: 3. Unary and Binary Operators (Programming Perl)
- for overloading: 13.7. Public Overload Functions (Programming Perl)
- overriding: 11.3. Overriding Built-in Functions (Programming Perl)
- Perl, varying across platforms: 25. Portable Perl (Programming Perl)
- Perl, wrapping around C: 21.3.1. XS and XSUBs (Programming Perl)
- private for variables: 12.5.1. Problem (Perl Cookbook)
- references to: 11.4.1. Problem (Perl Cookbook)
- references, using for both input and output: 6.3. Passing References (Programming Perl)
- return operators in: 4.4.4. Loop Control (Programming Perl)
- returning tainted data: 29.2. Perl Functions in Alphabetical Order (Programming Perl)
- signal-handling: 16.1. Signals (Programming Perl)
- socket-related in Perl: 16.5. Sockets (Programming Perl)
- temporary filenames, generating: 23.2.3. Temporary Files (Programming Perl)
- Thread module: 17.2.1. The Thread Module (Programming Perl)
- types of: 1.1.3. Discussion (Perl Cookbook)
- functions, built-in: 5. Function Reference (Perl in a Nutshell)
- functions, loading
- funny characters: 14. Tied Variables (Programming Perl)
- Glossary (Programming Perl)
- fuzzy matching: 6.13.1. Problem (Perl Cookbook)
- $^F variable: 29.2.38. fileno (Programming Perl)
- 29.2.38. fileno (Programming Perl)
- fwdport program: 17.21. Program: fwdport (Perl Cookbook)
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