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F

@F array : Global Special Arrays
f command (debugger) : Debugger Commands
-f file test operator : Named Unary and File Test Operators
-F switch, perl : Switches
fallback operator : Fallback
false value (see Boolean)
FAQ on Perl : Frequently Asked Questions List
fastcwd() routine : Cwd--Get Pathname of Current Working Directory
fcntl function : fcntl
Fcntl module : Fcntl--Load the C fcntl.h Defines
fd() method : Locking databases
fdopen( ) : FileHandle--Supply Object Methods for Filehandles
FETCH method
Tying Scalars
Tying Arrays
Tying Hashes
FIFOs : Named pipes
file descriptors
fileno
select (ready file descriptors)
file test operator : Named Unary and File Test Operators
_ _FILE_ _ token : Other literal tokens
File: :Basename module : File::Basename--Parse File Specifications
File: :CheckTree module : File::CheckTree--Run Many Tests on a Collection of Files
File: :Copy module : File::Copy--Copy Files or Filehandles
File: :Find module : File::Find--Traverse a File Tree
File: :Path module : File::Path--Create or Remove a Series of Directories
FileCache module : FileCache--Keep More Files Open Than the System Permits
filecheck( ) : ExtUtils::Manifest--Utilities to Write and Check a MANIFEST File
FileHandle constructor
open function with : open
FileHandle module : FileHandle--Supply Object Methods for Filehandles
filehandles : Filehandles
angle operator and : Line input (angle) operator
copying : File::Copy--Copy Files or Filehandles
creating : Filehandles
ending with _TOP
Formats
Per-Filehandle Special Variables
global : Global Special Filehandles
localizing : Typeglobs and Filehandles
names for : Variables
object methods for : FileHandle--Supply Object Methods for Filehandles
open function : open
passing by reference : Passing References
positioning file pointer for : seek
reading bytes of data from : read
references to : Filehandle Referencers
saving/restoring : SelectSaver--Save and Restore Selected Filehandle
selecting for output : select (output filehandle)
special variables for : Per-Filehandle Special Variables
typeglobs for : Typeglobs and Filehandles
filename globbing operator (see glob operator)
filenames : Other literal tokens
changing name of : rename
expansions of : glob
getting from symbolic links : readlink
%INC hash of : Global Special Arrays
linking symbolically : symlink
linking with hard links : link
fileno function : fileno
fileparse( ) : File::Basename--Parse File Specifications
fileparse_set_fstype( ) : File::Basename--Parse File Specifications
files
access and modification times
stat
utime
ages for : Named Unary and File Test Operators
changing name of : rename
closing : close
copying : File::Copy--Copy Files or Filehandles
core : Switches
deleting : unlink
end of file : eof
getting statistics of : stat
open function : open
opening via low-level system call : sysopen
ownership of : chown
permissions (see permissions, file)
sysopen
umask
read in binary mode : binmode
reading backwards : Examples
reading via low-level system call : sysread
returning current position for : tell
symbolically linking : symlink
test operators : File Test Operators
testing : File::CheckTree--Run Many Tests on a Collection of Files
text/binary distinction : open
truncating : truncate
writing via low-level system call : syswrite
filters, source code
List Processing
Source filters
find( ) : File::Find--Traverse a File Tree
find2perl program
find2perl
Translation from Awk and Sed
first occurrence match (see m?? operator)
FIRSTKEY method : Tying Hashes
flags (see switches, Perl command-line)
floating-point numbers : Math::BigFloat--Arbitrary-Length, Floating-Point Math Package
flock function : flock
folders (see directories)
footers : Footers
for loops
The for statement
For loops
foreach loops
The foreach statement
Foreach loops
Previous Perl Traps
Time Efficiency
fork function : fork
fork system call : Anonymous pipes
forks : open
form feed : Global Special Variables
format
Formats
Per-Filehandle Special Variables
declaration : format
names : format
for strings, C-style : sprintf
format output accumulator (see $^A)
$FORMAT_LINEFEED (see $^L variable)
$FORMAT_LINES_LEFT (see $- variable)
$FORMAT_LINES_PER_PAGE (see $= variable)
$FORMAT_LINE_BREAK_CHARACTERS (see $: variable)
$FORMAT_NAME (see $~ variable)
$FORMAT_PAGE_NUMBER (see $% variable)
$FORMAT_TOP_NAME (see $^ variable)
formline function : formline
FTP (File Transfer Protocol)
getting Perl via : Using Anonymous FTP
obtaining code examples via : Examples
fullcheck( ) : ExtUtils::Manifest--Utilities to Write and Check a MANIFEST File
function calls : Terms and List Operators (Leftward)
functions
Verbs
Functions
autoloading
Autoloading
A Class Is Simply a Package
Berkeley DB API : Using the Berkeley DB interface directly
C library : Functions
delayed loading of (see AutoLoader module)
loading on demand (see SelfLoader module)
named unary operators : Named Unary and File Test Operators
names for : Programming with Style
overriding : Overriding Built-in Functions
POSIX module : Functions


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