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Index: P
- p command (debugger)
: 8.1.1. Debugger Commands
- -p file test operator : 2.5.10. Named Unary and File Test Operators
- -p switch, perl : 6.1.2. Switches
- -P switch, perl : 6.1.2. Switches
- pack function : 3.2.105. pack
- package declaration
- -p file test operator : 2.5.10. Named Unary and File Test Operators
- package variables
: (see global, variables)
- packages
- (see also modules)
- 5. Packages, Modules, and Object Classes
- 5.1.3. Autoloading
- 7. The Standard Perl Library
- BEGIN and END subentries : 5.1.2. Package Constructors and Destructors: BEGIN and END
- binding variables to : 3.2.184. untie
- blessing objects into : 3.2.9. bless
- declaring
- 5. Packages, Modules, and Object Classes
- importing semantics to
: 3.2.185. use
- names for : 8.4. Programming with Style
- tying variables to : 3.2.171. tie
- names for : 8.4. Programming with Style
- (see also modules)
- packed sockaddr
: 3.2.54. getpeername
- page numbers : 2.9.2. Per-Filehandle Special Variables
- pages : 2.9.2. Per-Filehandle Special Variables
- pairs, key/value : (see hashes)
- paragraph mode
- page numbers : 2.9.2. Per-Filehandle Special Variables
- paragraphs, wrapping text into
: 7.2.71. Text::Wrap - Wrap Text into a Paragraph
- parent classes : 5.3.1. Brief Refresher on Object-Oriented Programming
- parent processes : (see processes)
- parentheses : (see () (parentheses))
- parse file specifications : 7.2.27. File::Basename - Parse File Specifications
- ParseWords module : 7.2.68. Text::ParseWords - Parse Text into a List of Tokens
- "passes-the-buck-to" relationship : 5.5.11. Delegation (the "Passes-the-Buck-to" Relationship)
- passing
- parent classes : 5.3.1. Brief Refresher on Object-Oriented Programming
- reference
: 2.7.2. Passing References
- symbol table entries : 2.7.1. Passing Symbol Table Entries (Typeglobs)
- reference
: 2.7.2. Passing References
- passwd file
: (see /etc/passwd file)
- passwords : 3.2.158. srand
- crypt function and : 3.2.22. crypt
- patches
: 8.5.3. Patches
- PATH environment variable
- Path module
: 7.2.31. File::Path - Create or Remove a Series of Directories
- pathname, current working directory : 7.2.7. Cwd - Get Pathname of Current Working Directory
- pattern-matching operator : 1.7. Regular Expressions
- patterns
- pathname, current working directory : 7.2.7. Cwd - Get Pathname of Current Working Directory
- (see also m// (match) operator; m?? (match) operator)
- (see also regular expressions)
- 1.7. Regular Expressions
- 2.4. Pattern Matching
- 3.2.1. /PATTERN/
- embedded modifiers for : 2.4.1.4. Regular expression extensions
- greedy matching
- (see also regular expressions)
- matching precedence
: 2.4.1.2. The rules of regular expression matching
- minimal matching : 1.7.2. Minimal Matching
- quantifiers : 2.4.1.2. The rules of regular expression matching
- special variables for matching : 2.9.1. Regular Expression Special Variables
- split function and : 3.2.155. split
- study function : 3.2.160. study
- for untainting data : 6.3.1.1. Detecting and laundering tainted data
- minimal matching : 1.7.2. Minimal Matching
- (see also m// (match) operator; m?? (match) operator)
- pausing scripts
: 3.2.150. sleep
- Penguin module : 6.3.2.2. Penguin
- percent sign (%) : (see % (percent sign))
- performance
- Penguin module : 6.3.2.2. Penguin
- 8.3. Efficiency
- Perl in a Nutshell
- measuring : 3.2.174. times
- Perl in a Nutshell
- 8.3. Efficiency
- period
: (see . (dot))
- Perl
- extensions to
: (see extensions, Perl)
- history of : 8.7. History Made Practical
- obtaining : How to Get Perl
- history of : 8.7. History Made Practical
- extensions to
: (see extensions, Perl)
- Perl 4 (and before)
: 8.2.7. Previous Perl Traps
- perl interpreter program
- 1.3.1. How to Do It
- 6.1.2. Switches
- -- switch : 6.1.2. Switches
- -0 switch : 6.1.2. Switches
- -a switch
- 6.1.2. Switches
- -c switch
: 6.1.2. Switches
- -D switch : 6.1.2. Switches
- -d switch
- -D switch : 6.1.2. Switches
- -e switch
: 6.1.2. Switches
- -e switch : 1.3.1. How to Do It
- -F switch : 6.1.2. Switches
- -h switch : 6.1.2. Switches
- -i switch : 6.1.2. Switches
- -I switch : 6.1.2. Switches
- -l switch : 6.1.2. Switches
- -m switch : 6.1.2. Switches
- -M switch : 6.1.2. Switches
- -n switch : 6.1.2. Switches
- -P switch : 6.1.2. Switches
- -p switch : 6.1.2. Switches
- -S switch
- -e switch : 1.3.1. How to Do It
- -s switch
: 6.1.2. Switches
- sticky bit : 8.3.1. Time Efficiency
- -T switch
- sticky bit : 8.3.1. Time Efficiency
- -U switch
: 6.1.2. Switches
- -u switch : 6.1.2. Switches
- -V switch : 6.1.2. Switches
- -v switch : 6.1.2. Switches
- -w switch
- -u switch : 6.1.2. Switches
- -x switch
- 1.3.1. How to Do It
- Perl Profiler
: 8.1.8. Alternative Debuggers: The Perl Profiler
- Perl standard library : 7. The Standard Perl Library
- PERL5DB variable : 8.1.3. Debugger Customization
- PERL_DESTRUCT_LEVEL variable : 5.3.9. A Note on Garbage Collection
- $PERL_VERSION : (see $ variables, $] variable)
- $PERLDB : (see $ variables, $^P variable)
- .perldb file : 8.1.3. Debugger Customization
- perldoc command : Perl Manpages
- permissions
- Perl standard library : 7. The Standard Perl Library
- permissions, file
- changing : 3.2.12. chmod
- pi
: 3.2.6. atan2
- picture lines
- pid
: (see processes)
- $PID : (see $ variables, $$ variable)
- Ping module : 7.2.46. Net::Ping - Check Whether a Host Is Online
- pingecho() : 7.2.46. Net::Ping - Check Whether a Host Is Online
- pipe function : 3.2.107. pipe
- pipe symbol : (see | (vertical bar))
- pipes : 6.2.2. Pipes
- $PID : (see $ variables, $$ variable)
- closing : 3.2.18. close
- pluralities
: (see arrays)
- plus : (see + (plus sign))
- Pod::Text module : 7.2.50. Pod::Text - Convert POD Data to Formatted ASCII Text
- poetry in Perl : 8.6. Perl Poetry
- pop function : 3.2.108. pop
- port
- plus : (see + (plus sign))
- getting name from number
: 3.2.64. getservbyname
- getting number from name : 3.2.64. getservbyname
- getting name from number
: 3.2.64. getservbyname
- porting, efficiency of
: 8.3.5. Porter Efficiency
- pos function : 3.2.109. pos
- positive lookahead assertion : 2.4.1.4. Regular expression extensions
- POSIX module : 7.2.49. POSIX - Perl Interface to IEEE Std 1003.1
- $POSTMATCH : (see $ variables, $' variable)
- pound sign : (see # (sharp))
- pragmas
- pos function : 3.2.109. pos
- pre-extending arrays
: 8.3.1. Time Efficiency
- precedence
- 3. Functions
- 8.2.7. Previous Perl Traps
- diagnostic messages : 9. Diagnostic Messages
- key/value pair (hashes) : 2.3.5. Hashes (Associative Arrays)
- logical operators : 2.5.20. Logical and, or, not, and xor
- operator, table of : 2.5. Operators
- regular expression matching : 2.4.1.2. The rules of regular expression matching
- 8.2.7. Previous Perl Traps
- 3. Functions
- $PREMATCH
: (see $ variables, $` variable)
- prepending
- directories to @INC
: 6.1.2. Switches
- elements to arrays : 3.2.183. unshift
- directories to @INC
: 6.1.2. Switches
- print function
- printf function
- printing
- multidimensional arrays
- multidimensional hashes
: 4.7.4.3. Access and printing of a hash of hashes
- nested data structures : 8.1.1. Debugger Commands
- priority, process
: 3.2.141. setpriority
- private variables : (see local, variables)
- procedures : 1.2.2. Verbs
- process group
- private variables : (see local, variables)
- process ID (pid)
- getting process group from
: 3.2.55. getpgrp
- returning : 3.2.56. getppid
- returning with fork : 3.2.40. fork
- returning : 3.2.56. getppid
- getting process group from
: 3.2.55. getpgrp
- $PROCESS_ID
: (see $ variables, $$ variable)
- processes
- error handling poermission for
: 7.2.40. IPC::Open3 - Open a Process for Reading, Writing, and Error Handling
- fork function : 3.2.40. fork
- getting group for : 3.2.140. setpgrp
- ID (pid) : 3.2.102. open
- interprocess communication (IPC) : 6.2. Cooperating with Other Processes
- killing : 3.2.80. kill
- named pipes : 6.2.2.4. Named pipes
- priority, setting : 3.2.141. setpriority
- read/write permission for : 7.2.39. IPC::Open2 - Open a Process for Both Reading and Writing
- returning priority of : 3.2.57. getpriority
- umask for : 3.2.179. umask
- variables for : 2.9.3. Global Special Variables
- waiting for : 3.2.189. wait
- zombie : 6.2.1. Signals
- fork function : 3.2.40. fork
- error handling poermission for
: 7.2.40. IPC::Open3 - Open a Process for Reading, Writing, and Error Handling
- processing shell commands
: 6.1.1. Command Processing
- program generators : 6.4.1. Program Generation
- $PROGRAM_NAME : (see $ variables, $0 variable)
- programming style : 8.4. Programming with Style
- programs
- program generators : 6.4.1. Program Generation
- core dump of
: 3.2.29. dump
- executing : 3.2.167. system
- exiting : 3.2.35. exit
- executing : 3.2.167. system
- core dump of
: 3.2.29. dump
- protocols
- name-number translations
- prototypes
: 2.7.3. Prototypes
- pseudo-literals : (see input, operators)
- purging : (see deleting)
- push function : 3.2.112. push
- put function : 7.2.8.5. Using the Berkeley DB interface directly
- pwd command (UNIX) : 8.3.1. Time Efficiency
- PWD environment variable : 7.2.7. Cwd - Get Pathname of Current Working Directory
- pseudo-literals : (see input, operators)
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