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Index: F

-f option (awk)
9.3.2. Maintaining a Function Library
11.2.3.1. Command line options
-f option (sed)
2.2. Command-Line Syntax
2.3.2. Script Files
2.3.2.3. Mixing options (POSIX)
-F option (awk)
2.4.1. Running awk
7.5.1. Referencing and Separating Fields
factorials : 8.2.4. Deriving Factorials
faking dynamic regular expressions : 11.1.5. Faking Dynamic Regular Expressions
FAQ on awk : Other Sources of Information About sed and awk
fflush() : 11.2.1.3. Flushing buffered output
field separators : (see delimiters)
fields for awk records
2.4.1. Running awk
7.5. Records and Fields
B.2.1. Records and Fields
formatting as output : 7.9. Formatted Printing
NF variable : 7.7. System Variables
FIELDSWIDTHS variable (gawk) : 11.2.3.6. Separating fields
File Transfer Protocol (FTP) : FTP
files
closing
10.2. The close() Function
10.5.2. Working with Multiple Files
editing multiple : 4.4.2. Making Changes Across a Set of Files
extracting contents from : 4.4.3. Extracting Contents of a File
filenames, special : 11.2.1.4. Special filenames
getting information on : 7.8.1. Getting Information About Files
Interleaf, converting : 6.1.1.1. Converting an Interleaf file
multiple : 10.5.2. Working with Multiple Files
multiple edits to : 4.4.1. Multiple Edits to the Same File
nextfile statement : 11.2.1.5. The nextfile statement
reading from
5.11. Reading and Writing Files
10.1.1. Reading Input from Files
retrieving information from : 7.11. Information Retrieval
scripts as : (see scripts)
search path for : 11.2.3.2. An awk program search path
special gawk : 11.2.3.7. Additional special files
writing to
2.3.2.1. Saving output
5.11. Reading and Writing Files
10.5. Directing Output to Files and Pipes
fixed strings : 3.2.3. Writing Regular Expressions
flags : 5.3. Substitution
g (global)
2.1. Awk, by Sed and Grep, out of Ed
5.3. Substitution
numeric : 5.3. Substitution
p (print) : 5.3. Substitution
w (write) : 5.3. Substitution
flow control
6. Advanced sed Commands
6.3.3. Building Blocks of Text
11.1.6. Control Flow
branching : 6.4.1. Branching
d command (sed) : 5.4. Delete
n command : 5.10. Next
flushing buffers : 11.2.1.3. Flushing buffered output
FNR variable
7.7. System Variables
10.1.2. Assigning the Input to a Variable
for loop
8.2.3. For Loop
8.4.1. Associative Arrays
formatting
awk output : 7.9. Formatted Printing
awk scripts : B.2.2. Format of a Script
index (example program) : 12.2. Generating a Formatted Index
system time : 11.2.3.11. Time management for programmers
FPAT variable (tawk) : 11.3.2.1. Tawk language extensions
Free Software Foundation (FSF) : Availability of sed and awk
FS variable
7.5.1. Referencing and Separating Fields
7.5.2. Field Splitting: The Full Story
7.7. System Variables
11.2.1.2. Obtaining individual characters
FTP (File Transfer Protocol) : FTP
Ftpmail : Ftpmail
function keyword : 9.3. Writing Your Own Functions
functions
11.1.10. Functions
B.2.6. Statements and Functions
arithmetic
9.1. Arithmetic Functions
11.1.10. Functions
built-in
gawk : 11.2.3.9. Additional functions
tawk : 11.3.2.2. Additional built-in tawk functions
creating library of : 9.3.2. Maintaining a Function Library
scope control (tawk) : 11.3.2.1. Tawk language extensions
string-related : 9.2. String Functions
time-related (gawk) : 11.2.3.11. Time management for programmers
trigonometric : 9.1.1. Trigonometric Functions
user-defined : 9.3. Writing Your Own Functions


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