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# Index: B

\b assertion
  for backspace : 2.4.1.2. The rules of regular expression matching
  word boundary assertion
    2.4.1.2. The rules of regular expression matching
    2.4.1.3. The fine print
b command (debugger) : 8.1.1. Debugger Commands
-B file test operator : 2.5.10. Named Unary and File Test Operators
-b file test operator : 2.5.10. Named Unary and File Test Operators
\B (not word boundary) : 2.4.1.2. The rules of regular expression matching
\b (word boundary) : 1.7.3. Nailing Things Down
backreferences
  1.7.4. Backreferences
  2.4.1.2. The rules of regular expression matching
  2.4.1.3. The fine print
  2.9.1. Regular Expression Special Variables
  8.2.1. Universal Blunders
backslash : (see \ (backslash))
BACKSPACE character
  /b for : 2.4.1.2. The rules of regular expression matching
  completion and : 7.2.65. Term::Complete - Word Completion Module
backtick : (see ` (backtick))
backtracking : 2.4.1.2. The rules of regular expression matching
bang : (see ! (bang))
bar : (see |)
bare blocks : 2.6.5. Bare Blocks and Case Structures
barewords
  2.3.2.4. Or leave the quotes out entirely
  8.2.2. Frequently Ignored Advice
  8.2.7. Previous Perl Traps
base classes
  5.3.1. Brief Refresher on Object-Oriented Programming
  5.3.4. A Class Is Simply a Package
  5.5.1. Object-Oriented Scaling Tips
  overriding methods of : 5.5.6. Overriding Base Class Methods
  tied hashes : 7.2.72. Tie::Hash, Tie::StdHash - Base Class Definitions for Tied Hashes
Basename module : 7.2.27. File::Basename - Parse File Specifications
$BASETIME : (see $ variables, $^T variable)
basewords : 7.2.59. strict - Restrict Unsafe Constructs
BEGIN subroutine : 5.1.2. Package Constructors and Destructors: BEGIN and END
Benchmark module : 7.2.4. Benchmark - Check and Compare Running Times of Code
Berkeley DB : 7.2.8. DB_File - Access to Berkeley DB
bidirectional communication : 6.2.2.3. Bidirectional communication
BigFloat mmodule : 7.2.42. Math::BigFloat - Arbitrary-Length, Floating-Point Math Package
BigInt module : 7.2.43. Math::BigInt - Arbitrary-Length Integer Math Package
/bin/sh : (see sh)
binary
  arithmetic operators : 1.5.1. Arithmetic Operators
  binding (!~) operator : 2.5.6. Binding Operators
  binding (=~) operator
    2.5.6. Binding Operators
    8.2.3. Awk Traps
  bit-shift operators : 2.5.9. Shift Operators
  comma operator : (see = (equal sign), => operator)
  exponentiation (**) operator
    2.5.4. Exponentiation
    8.2.3. Awk Traps
  files : 3.2.102. open
  mode : 3.2.8. binmode
  operators
    (see bitwise, operators)
    7.2.48.1. Calling conventions for binary operations
    7.2.48.3. Overloadable operations
  pack function : 3.2.105. pack
  repetition (x) operator
    1.5.2. String Operators
    2.5.7. Multiplicative Operators
bind function : 3.2.7. bind
binding
  DBM file to hash : 3.2.24. dbmopen
  operators : 2.5.6. Binding Operators
  variables to packages
    3.2.171. tie
    3.2.184. untie
    5.4. Using Tied Variables
binding (!~) operator : 2.5.6. Binding Operators
binding (=~) operator
  2.5.6. Binding Operators
  8.2.3. Awk Traps
binmode : 3.2.102. open
binmode function : 3.2.8. binmode
bit operators : (see binary, operators)
bit-shift operators : 2.5.9. Shift Operators
bitmasks : 3.2.135. select (ready file descriptors)
bitwise
  negation (~) operator : 2.5.5. Ideographic Unary Operators
  operators
    2.5.13. Bitwise Operators
    2.5.20. Logical and, or, not, and xor
    8.2.3. Awk Traps
bless function
  3.2.9. bless
  5.3.3. An Object Is Simply a Referenced Thingy
bless operator
  4.2.5. Object Constructors
  4.3.5. Other Tricks You Can Do with Hard References
$blksize file statistic : 3.2.159. stat
BLOCK
  (see also blocks)
  2.6.2. Compound Statements
blocks
  (see also statements)
  2.6.2. Compound Statements
  2.6.4.4. Loop control
  4.3.2. Using a BLOCK as a Variable Name
  bare : 2.6.5. Bare Blocks and Case Structures
  loops : (see loops)
$blocks file statistic : 3.2.159. stat
Boolean
  context : 2.3.3.2. Boolean context
  definition of truth : 1.6.1. What Is Truth?
  operators : 1.5.7. File Test Operators
bootstrap()
  7.2.12.1. Internal interface summary
  7.2.21. ExtUtils::Mkbootstrap - Make a Bootstrap File for Use by DynaLoader
boundary assertions
  1.7.3. Nailing Things Down
  2.4.1.3. The fine print
braces : (see {} (braces))
brackets : (see [] (brackets))
break command (in C) : 8.2.4. C Traps
break statement : (see last operator)
breakpoints : 8.1.1. Debugger Commands
buffer, POSIX input : 7.2.49.1. Classes
bug reports : Bug Reports
bugs : 9. Diagnostic Messages
  filehandles methods : 7.2.33.1. Bugs
  patches for : 8.5.3. Patches
  in Perl debugger : 8.1.7. Debugger Bugs
built-in
  data types : 2.2. Built-in Data Types
  functions, overriding : 5.2.2. Overriding Built-in Functions
bytes
  bit-shift operators : 2.5.9. Shift Operators
  length in : 3.2.84. length
  reading
    3.2.116. read
    3.2.166. sysread

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