Index

Search | Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Z

# Index: P

-p command-line option, and inplace editing : 17.5. Variable-Length ( Text) Databases
-p operator : 10.5. The -x File Tests
pack format string : 16.2. Packing and Unpacking Binary Data
pack( ) operator : 16.2. Packing and Unpacking Binary Data
  example of : 17.4. Fixed-Length Random Access Databases
page length
  changing, in formats : 11.6.4. Changing the Page Length
  default, for top-of-page format : 11.5. The Top-of-Page Format
page position, changing, in formats : 11.6.5. Changing the Position on the Page
param( )
  19.4. Passing Parameters via CGI
  19.7. Other Form Elements
parameters : 1.5.9. Making It a Bit More Modular
  passing via CGI : 19.4. Passing Parameters via CGI
parent process : 14.4. Using fork
parentheses
  array literals and : 3.2. Literal Representation
  as optional for the keys( ) operator : 5.4.1. The keys Function
  chdir( ) operator and : 12.1. Moving Around the Directory Tree
  forcing array context with : 3.4.1. Assignment
  as memory in regular expressions
    7.3.4. Precedence
    7.3.2.3. Parentheses as memory
  precedence and
    2.4.3. Operator Precedence and Associativity
    7.3.4. Precedence
  print( ) operator and : 6.3.1. Using print for Normal Output
  values( ) operator and : 5.4.2. The values Function
password file
  accessing
    7.7. Exercises
    16.1. Getting Password and Group Information
  random access in : 16.1. Getting Password and Group Information
  reading from, example : 10.4. Using Filehandles
  sequential access to : 16.1. Getting Password and Group Information
PATH environment variable, managing : 14.1. Using system and exec
Pathologically Eclectic Rubbish Lister : 1.1. History of Perl
percent sign (%)
  as modulus operator : 2.4.1. Operators for Numbers
Perl : 19.10. Perl and the Web: Beyond CGI Programming
  availability of : 1.3. Availability
  CGI programming : (see CGI programs)
Perl programs, making executable : 1.4. Basic Concepts
Perl standard library : 6.2. Input from the Diamond Operator
Perl: The Motion Picture : 16.2. Packing and Unpacking Binary Data
permission bits, in dbmopen( ) : 17.2. Opening and Closing DBM Hashes
permissions
  CGI programs and
    19.8. Creating a Guestbook Program
    19.9. Troubleshooting CGI Programs
  modifying : 13.5. Modifying Permissions
pi
  computing with : A.1. Chapter 2, Scalar Data
  obscure reference to : 16.2. Packing and Unpacking Binary Data
pop( ) operator : 3.4.3. The push and pop Functions
  example of : A.3. Chapter 4, Control Structures
popen library function, emulating : 14.3. Using Processes as Filehandles
popup menus
  19.7. Other Form Elements
  19.7.1. References
powers of ten, example of, with substr( ) : 15.2. Extracting and Replacing a Substring
Practical Extraction and Report Language
  1.1. History of Perl
  11.1. What Is a Format?
precedence : 2.4.3. Operator Precedence and Associativity
  parentheses and
    2.4.3. Operator Precedence and Associativity
    7.3.4. Precedence
  in regular expressions : 7.3.4. Precedence
print( ) operator
  2.8. Output with print
  6.3.1. Using print for Normal Output
  $_ and : 4.5. The foreach Statement
  array literals and : 3.2. Literal Representation
  example of
    1.5.1. The "Hello, World" Program
    1.5.17. The Final Programs
  filehandle keyword and : 1.5.12. Warning Someone When Things Go Astray
  return value of : 6.3.1. Using print for Normal Output
  writes to the same filehandle : 11.5. The Top-of-Page Format
printenv command, emulating : 14.1. Using system and exec
printf( ) operator : 6.3.2. Using printf for Formatted Output
  example of
    A.3. Chapter 4, Control Structures
    A.5. Chapter 6, Basic I/O
    A.13. Chapter 14, Process Management
    4.6. Exercises
processes
  creating : 14.1. Using system and exec
  exit value : 14.4. Using fork
  filehandles as : 14.3. Using Processes as Filehandles
  launching : 14.5. Summary of Process Operations
  opening for writing with filehandle : 14.3. Using Processes as Filehandles
products, finding : 9.4. Labeled Blocks
prompt, example of : 1.5.2. Asking Questions and Remembering the Result
publishing systems : 19.10.1. Custom Publishing Systems
push( ) operator : 3.4.3. The push and pop Functions
  example of : A.15. Chapter 16, System Database Access
pwd command : 12.1. Moving Around the Directory Tree

Search | Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Z

Copyright © 1999 O'Reilly & Associates, Inc. All Rights Reserved.