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| Explanatory note
E
- -e file test operator
: Named Unary and File Test Operators
- /e modifier
: Pattern-Matching Operators
- -e switch, perl
: Switches
- each function
- each
- Tying Hashes
- editor support for debugger
: Editor Support for Debugging
- effective gid (see $) variable)
- effective uid (see $< variable)
- $EFFECTIVE_GROUP_ID (see $) variable)
- $EFFECTIVE_USER_ID (see $> variable)
- efficiency (see performance)
- $EGID (see $) variable)
- else statement (see if statements)
- elsif statement (see if statements)
- Emacs, debugger and
: Editor Support for Debugging
- enablecache() routine
: Benchmark--Check and Compare Running Times of Code
- encapsulation
: Using Object Methods
- encryption
- crypt
- Penguin
- end of file
: eof
- END subrountine
: Package Constructors and Destructors: BEGIN and END
- _ _END_ _ token
- Other literal tokens
- Global Special Filehandles
- endgrent function
: getgrent
- endhostent function
: gethostent
- ending (see terminating)
- endless loop (see infinite loops)
- endprotoent function
: getprotoent
- endpwent function
: getpwent
- endservent function
: getservent
- English module
- vars--Predeclare Global Variable Names
- Awk Traps
- %ENV hash
: Global Special Arrays
- deleting from
: delete
- Env module
: Env--Import Environment Variables
- environment variables
: Global Special Arrays
- importing
: Env--Import Environment Variables
- PERL5DB
: Debugger Customization
- PERL_DESTRUCT_LEVEL
: A Note on Garbage Collection
- PWD
: Cwd--Get Pathname of Current Working Directory
- eof function
- eof
- Time Efficiency
- eq operator
: Universal Blunders
- equal sign (see =)
- equal to (= ) operator
: Equality Operators
- equality operators
: Equality Operators
- erasing (see deleting)
- $ERRNO (see $! variable)
- error messages
- Carp--Generate Error Messages
- User Efficiency
- Programming with Style
- Diagnostic Messages
- errors
: Diagnostic Messages
- handling permissions for processes
: IPC::Open3--Open a Process for Reading, Writing, and Error Handling
- $@ variable for
: Global Special Variables
- $! variable for
: Global Special Variables
- $? variable for
: Global Special Variables
- escape sequences for control characters
: String literals
- /etc/group file
- getgrent
- Time Efficiency
- /etc/hosts file
: gethostent
- /etc/networks file
: getnetent
- /etc/passwd file
- getpwent
- Time Efficiency
- /etc/services file
: getservent
- /etc/utmp file
: getlogin
- $EUID (see $> variable)
- eval function
- eval
- References and Nested Data Structures
- Time Efficiency
- die function and
: die
- loops and
: Time Efficiency
- translating with variables
: Pattern-Matching Operators
- $EVAL_ERROR (see $@ variable)
- examples, Perl
: Examples
- exceptions, die function for
: die
- exclamation point (see !)
- exclusive OR operator
- Bitwise Operators
- Logical and, or, not, and xor
- Awk Traps
- exec function
: exec
- $EXECUTABLE_NAME (see $^X variable)
- executing
- methods
: Method Invocation
- other programs from Perl
: system
- Perl program
- How to Do It
- Cooperating with Command Interpreters
- execv function (in C)
: exec
- execvp function (in C)
: exec
- exists function
- exists
- Tying Hashes
- EXISTS method
: Tying Hashes
- exit function
- exit
- fork
- exit statement (awk)
: a2p
- exiting
- diagnostics module
: diagnostics--Force Verbose Warning Diagnostics
- infinite loop
: For loops
- exp function
: exp
- expansion, filename
: glob
- exponentiation (**) operator
- Exponentiation
- Awk Traps
- Exporter module
: Exporter--Default Import Method for Modules
- expr command (debugger)
: Debugger Commands
- extending arrays
: List Values and Arrays
- extensions, Perl
- installing
: ExtUtils::Install--Install Files from Here to There
- Makefiles for
: ExtUtils::MakeMaker--Create a Makefile for a Perl Extension
- extracting substrings
: substr
- ExtUtils: :Install module
: ExtUtils::Install--Install Files from Here to There
- ExtUtils: :Liblist module
: ExtUtils::Liblist--Determine Libraries to Use and How to Use Them
- ExtUtils: :MakeMaker module
: ExtUtils::MakeMaker--Create a Makefile for a Perl Extension
- ExtUtils: :Manifest module
: ExtUtils::Manifest--Utilities to Write and Check a MANIFEST File
- ExtUtils: :Miniperl module
: ExtUtils::Miniperl--Write the C Code for perlmain.c
- ExtUtils: :Mkbootstrap module
: ExtUtils::Mkbootstrap--Make a Bootstrap File for Use by DynaLoader
- ExtUtils: :Mksymlists module
: ExtUtils::Mksymlists--Write Linker Option Files for Dynamic Extension
- ExtUtils: :MM_OS2 module
: ExtUtils::MM_OS2--Methods to Override UNIX Behavior in ExtUtils::MakeMaker
- ExtUtils: :MM_Unix module
: ExtUtils::MM_Unix--Methods Used by ExtUtils::MakeMaker
- ExtUtils: :MM_VMS module
: ExtUtils::MM_VMS--Methods to Override UNIX Behavior in ExtUtils::MakeMaker
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Q |
R |
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T |
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V |
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Explanatory note
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