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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)
Glossary (Programming Perl)
die function for: 11.3. Fatal Errors with die (Learning Perl)
trapping with eval block: 17.1. Trapping Errors with eval (Learning 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)
security risks associated with: 23.2.3. Temporary Files (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)
command-line options: 7.14.3.2. Command-line options (Perl Cookbook)
flushing output: 7.19.1. Problem (Perl Cookbook)
locking files: 7.18.1. Problem (Perl Cookbook)
netlock program: 7.24. Program: netlock (Perl Cookbook)
region-specific locks: 7.25. Program: lockarea (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)
recursively: 9.7.1. 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)
reading: 8.15.1. Problem (Perl Cookbook)
I/O layers: 8.. I/O Layers (Perl Cookbook)
modifying
with -i switch: 7.16.1. Problem (Perl Cookbook)
with temporary files: 7.15.1. Problem (Perl Cookbook)
without temporary files: 7.17.1. Problem (Perl Cookbook)
processing all words in: 8.3.1. Problem (Perl Cookbook)
processing binary files: 8.11.1. Problem (Perl Cookbook)
random access
input/output: 8.12.1. Problem (Perl Cookbook)
updating: 8.13.1. Problem (Perl Cookbook)
random lines from, selecting: 8.6.1. Problem (Perl Cookbook)
randomizing line order: 8.7.1. Problem (Perl Cookbook)
reading
backwards: 8.4.1. Problem (Perl Cookbook)
lines with continuation characters: 8.1.1. Problem (Perl Cookbook)
null-terminated strings from binary files: 8.14.1. Problem (Perl Cookbook)
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
files as arrays: 8.18.1. Problem (Perl Cookbook)
strings as files: 8.23.1. Problem (Perl Cookbook)
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)
4.5.8. File Test Operators (Perl in a Nutshell)
3.10. Named Unary and File Test Operators (Programming Perl)
-p, checking for FIFO: 16.3.4. Named Pipes (Programming Perl)
file tests: Glossary (Programming Perl)
race conditions with: 23.2.2. Handling Race Conditions (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)
through standard filehandles: 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
a line from, without blocking: 7.23.1. Problem (Perl Cookbook)
from many: 7.22.1. Problem (Perl Cookbook)
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)
list of: 11.6. File Tests (Learning Perl)
tied: 13.15.1. Problem (Perl Cookbook)
tying: 14.4. Tying Filehandles (Programming Perl)
creative filehandles: 14.4.2. Creative Filehandles (Programming Perl)
methods for: 14.4.1. Filehandle-Tying Methods (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)
command-line options: 7.14.3.2. Command-line options (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)
reading null-terminated strings: 8.14.1. 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)
from command line: 16.4.1. In-place Editing from the Command Line (Learning Perl)
deleting: 9.2.1. Problem (Perl Cookbook)
29.2.188. unlink (Programming Perl)
last line of: 8.10.1. 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)
locking mechanisms: 16.2.1. File Locking (Programming Perl)
passing filehandles: 16.2.2. Passing Filehandles (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)
advisory locking: 7.18.2. Solution (Perl Cookbook)
netlock program: 7.24. Program: netlock (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)
list of: 11.6. File Tests (Learning Perl)
text/binary distinction: 29.2.104. open (Programming Perl)
treating
as arrays: 8.18.1. Problem (Perl Cookbook)
strings as: 8.23.1. Problem (Perl Cookbook)
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::Cygwin module: 8.103. File::Spec::Cygwin (Perl in a Nutshell)
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
form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
pack geometry manager: 21.2.1. The pack Geometry Manager (Perl in a Nutshell)
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
filenames as input: 7.14.1. Problem (Perl Cookbook)
command-line options: 7.14.3.2. Command-line options (Perl Cookbook)
output: 16.5.1. Problem (Perl Cookbook)
XML: 22.4.1. Problem (Perl Cookbook)
filtering output with forking open: 16.3.2. Talking to Yourself (Programming Perl)
filters: Glossary (Programming Perl)
source code: 24.5.3. Source Filters (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)
flat-file index program: 8.27. Program: Flat File Indexes (Perl Cookbook)
reading: 8.15.1. Problem (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( )
Button widget: 21.4.1. Button Methods (Perl in a Nutshell)
Checkbutton widget: 21.5.1. Checkbutton Methods (Perl in a Nutshell)
Radiobutton widget: 21.6.1. Radiobutton Methods (Perl in a Nutshell)
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)
7.18.2. Solution (Perl Cookbook)
compared to SysV lockf( ): 7.18.3. Discussion (Perl Cookbook)
flock function: 14.1.1. Scalar-Tying Methods (Programming Perl)
16.2.1. File Locking (Programming Perl)
29.2.39. flock (Programming Perl)
alarms and: 16.1.3. Timing Out Slow Operations (Programming Perl)
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)
vs. foreach control structure: 10.7.1. The Secret Connection Between foreach and for (Learning Perl)
=for escape pod directive: 12.20.3. Discussion (Perl Cookbook)
for loops: 4.3.1.2. for loops (Perl in a Nutshell)
1.6.2.2. The for statement (Programming Perl)
searching and replacing elements in arrays: 5.2.3.1. Modifying strings en passant (Programming Perl)
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)
naked block control structure and: 10.4. The Naked Block Control Structure (Learning Perl)
vs. for control structure: 10.7.1. The Secret Connection Between foreach and for (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)
using instead of threads: B.31. Threads and Forking (Learning Perl)
forks: 29.2.104. open (Programming Perl)
cloned interpreter on Windows: 17.1. The Process Model (Programming Perl)
fork open: 29.2.104. open (Programming Perl)
open command, two-argument form: 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)
saving and emailing: 19.12.1. Problem (Perl Cookbook)
sticky widgets: 19.10.1. Problem (Perl Cookbook)
submitting: 20.2.1. Problem (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)
finding Nth matches: 6.5.2. Solution (Perl Cookbook)
where last pattern ended: 6.14.3. Discussion (Perl Cookbook)
/i pattern-matching modifier: 6.. Pattern-Matching Modifiers (Perl Cookbook)
/m pattern-matching modifier: 6.. Pattern-Matching Modifiers (Perl Cookbook)
multiple lines: 6.6.2. Solution (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)
multiple lines: 6.6.2. Solution (Perl Cookbook)
/x pattern modifier: 1.12.3. Discussion (Perl Cookbook)
comments in regular expressions: 6.4.3. 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)
Net::FTP module: 18.2. Net::FTP (Perl in a Nutshell)
Net::Netrc module: 18.3. FTP Configuration with Net::Netrc (Perl in a Nutshell)
obtaining Perl: 2.1. The CPAN Architecture (Perl in a Nutshell)
Win32::Internet functions for: 22.7.2. FTP Functions (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)
listed alphabetically: 5. Function Reference (Perl in a Nutshell)
listed by category: 5.1. Perl Functions by Category (Perl in a Nutshell)
socket-related: 15.1. Built-in Socket Functions (Perl in a Nutshell)
functions, loading
AutoLoader module: 8.5. AutoLoader (Perl in a Nutshell)
DynaLoader module: 8.61. DynaLoader (Perl in a Nutshell)
SelfLoader module: 8.184. SelfLoader (Perl in a Nutshell)
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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