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Index: E

\e (escape) sequence: 4.6.3. Escaped Sequences (Perl in a Nutshell)
/e pattern-match modifier: 5.4.1. Expression Evaluation in Substitutions (Advanced Perl Programming)
(Programming Perl) 5.2.3. The s/// Operator (Substitution)
1.8. Expanding Variables in User Input (Perl Cookbook)
6.0. Introduction (Perl Cookbook)
6.4. Commenting Regular Expressions (Perl Cookbook)
7.7. Writing a Filter (Perl Cookbook)
\E string metacharacter: 1.13. Escaping Characters (Perl Cookbook)
-E option (dprofpp): 6.5. The Perl Profiler (Perl in a Nutshell)
-e switch, perl: 5.1. The String Form: Expression Evaluation (Advanced Perl Programming)
3.2. Command-Line Options (Perl in a Nutshell)
each(): 5.10. Merging Hashes (Perl Cookbook)
Chapter 5, Reference: each (Perl in a Nutshell)
9.4.3. Access and Printing of a Hash of Hashes (Programming Perl)
14.3.1. Hash-Tying Methods (Programming Perl)
29.2.30. each (Programming Perl)
eager pattern matching: 6.0. Introduction (Perl Cookbook)
ebcdic() (Net::FTP): Chapter 16, Reference: ebcdic (Perl in a Nutshell)
echo command, password input: 15.10. Reading Passwords (Perl Cookbook)
editing:: 22.1. The CPAN modules Directory (Programming Perl)
editing input: 15.11. Editing Input (Perl Cookbook)
/ee substitution modifier: 1.8. Expanding Variables in User Input (Perl Cookbook)
6.4. Commenting Regular Expressions (Perl Cookbook)
editors, support for debugging: 20.3.1. Editor Support for Debugging (Programming Perl)
edquota command (Unix): 2.5.1. Editing Quotas with edquota Trickery (Perl for System Administration)
effective GID (group ID): 28.2. Special Variables in Alphabetical Order (Programming Perl)
effective UID ($EFFECTIVE_USER_ID): 28.2. Special Variables in Alphabetical Order (Programming Perl)
$EFFECTIVE_GROUP_ID: 28.2. Special Variables in Alphabetical Order (Programming Perl)
28.2. Special Variables in Alphabetical Order (Programming Perl)
$EFFECTIVE_GROUP_ID ($)) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
$EFFECTIVE_USER_ID: 28.2. Special Variables in Alphabetical Order (Programming Perl)
$EFFECTIVE_USER_ID ($>) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
efficiency (see performance)
profiling: 20.6. The Perl Profiler (Programming Perl)
$EGID ($() variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
eggdrop bot: 4.3.4. Using the Proc::ProcessTable Module (Perl for System Administration)
ElDump program: 9.5.1. Stream Read-Count (Perl for System Administration)
electronic mail (see also email)
as support medium: 8.3.4. Support Mail Augmentation (Perl for System Administration)
dissecting mailboxes/messages: 8.3. Receiving Mail (Perl for System Administration)
log file parsing: 9.5.3. Black Boxes (Perl for System Administration)
relaying: 8.3.3. Tracking Down Spam (Perl for System Administration)
sending from Perl
limiting frequncy and amount of: 8.2.1.1. Controlling the frequency of mail (Perl for System Administration)
Mac OS: 8.1.2. Using the OS-Specific IPC Framework. (Perl for System Administration)
mistakes in: 8.2. Common Mistakes in Sending Email (Perl for System Administration)
Windows NT/2000: 8.1.2. Using the OS-Specific IPC Framework. (Perl for System Administration)
spam (see spam)
subject line of, writing useful: 8.2.2. Subject Line Waste (Perl for System Administration)
support mail, augmenting: 8.3.4. Support Mail Augmentation (Perl for System Administration)
tool for system administration: 8. Electronic Mail (Perl for System Administration)
/etc/hosts: 5.1. Host Files (Perl for System Administration)
5.2. NIS, NIS+, and WINS (Perl for System Administration)
element references: 1.6.2. Array/Hash References Versus Element References (Advanced Perl Programming)
-elementborderwidth option (Scrollbar): 18.9. The Scrollbar Widget (Perl in a Nutshell)
elements in arrays:: 1.2.1.2.1. Arrays. (Programming Perl)
eleseif statements: 1.6.1.1. The if and unless statements (Programming Perl)
ellipses (...): 5.3.1. Metasymbol Tables (Programming Perl)
else statements: 1.6.1.1. The if and unless statements (Programming Perl)
E<> interior sequence (pod): 4.11.2. Interior sequences (Perl in a Nutshell)
emacs
-*- sequences: 19.1. Command Processing (Programming Perl)
editor support for debugger: 20.3.1. Editor Support for Debugging (Programming Perl)
email: 14. Email Connectivity (Perl in a Nutshell)
22.1. The CPAN modules Directory (Programming Perl)
(see also mail)
folders for (Mail::Folder module): 14.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
handling messages (Mail::Internet module)
14.2.4. Handle Messages with Mail::Internet (Perl in a Nutshell)
header control (Mail::Send module): 14.2.2. Better Header Control with Mail::Send (Perl in a Nutshell)
Mail modules: 14. Email Connectivity (Perl in a Nutshell)
14.2. The Mail Modules (Perl in a Nutshell)
matching valid addresses: 6.19. Matching a Valid Mail Address (Perl Cookbook)
parsing addresses (Mail::Address module): 14.2.6. Parse Email Addresses with Mail::Address (Perl in a Nutshell)
Perl-related mailing lists: 1.4.3. Mailing Lists (Perl in a Nutshell)
random signatures: 16.22. Program: sigrand (Perl Cookbook)
reading with POP3: 18.5. Reading Mail with POP3 (Perl Cookbook)
14.1.3. Retrieving Email with Net::POP3 (Perl in a Nutshell)
14.2.8. Reading Email with Mail::POP3Client (Perl in a Nutshell)
sending: 18.3. Sending Mail (Perl Cookbook)
14.1.1. Send Email with Net::SMTP (Perl in a Nutshell)
14.2.1. Send Email with Mail::Mailer (Perl in a Nutshell)
sending HTML forms via: 19.13. Saving a Form to a File or Mail Pipe (Perl Cookbook)
sorting (example subroutine): 10.17. Program: Sorting Your Mail (Perl Cookbook)
tracking time path of: 3.11. Program: hopdelta (Perl Cookbook)
Embed module: 19.4. Adding Extensions (Advanced Perl Programming)
embedding Perl: 19. Embedding Perl:The Easy Way (Advanced Perl Programming)
20.6. Easy Embedding API (Advanced Perl Programming)
21.4. Embedding Perl (Using Perl from C) (Programming Perl)
32.1.17. Module Installation Support (Programming Perl)
adding Perl interpreter to C program: 21.4.2. Adding a Perl Interpreter to Your C Program (Programming Perl)
compiling embedded programs: 21.4.1. Compiling Embedded Programs (Programming Perl)
evaluating Perl statement from C: 21.4.4. Evaluating a Perl Statement from C (Programming Perl)
in messages: 3.2. Command-Line Options (Perl in a Nutshell)
macros for: 20.4.1. Calling a Perl Subroutine (Advanced Perl Programming)
perl interpreter program: 21. Internals and Externals (Programming Perl)
Perl stack, manipulating from C: 21.4.5. Fiddling with the Perl Stack from C (Programming Perl)
emit_open_file procedure: 17.4.2. Template Parser (Advanced Perl Programming)
emit_opening_statement procedure: 17.4.2. Template Parser (Advanced Perl Programming)
empty angle operator (<>): 1.4. Filehandles (Programming Perl)
empty base class test: 13.9. Writing an Inheritable Class (Perl Cookbook)
empty string (""): 1.0. Introduction (Perl Cookbook)
empty subclass test: 12.5. Class Inheritance (Programming Perl)
encapsulation: 7.1. OO: An Introduction (Advanced Perl Programming)
7.2.8. Accessor Methods (Advanced Perl Programming)
11.2.2. Object Encapsulation (Advanced Perl Programming)
1.2.1.3. Complexities (Programming Perl)
8.3.4. Using Object Methods (Programming Perl)
12.1. Brief Refresher on Object-Oriented Lingo (Programming Perl)
namespace-based: 14.6. Tie Modules on CPAN (Programming Perl)
objects in closures: 12.7.5. Using Closures for Private Objects (Programming Perl)
encoding URLs: 9.2. URL Encoding (Perl in a Nutshell)
encodings, multiple-byte: 6.18. Matching Multiple-Byte Characters (Perl Cookbook)
encryption: 29.2.20. crypt (Programming Perl)
modules for: 32.1.12. Authentication, Security, and Encryption (Programming Perl)
Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
END blocks: 18.1. The Life Cycle of a Perl Program (Programming Perl)
exit value of program, modifying: 18.7. Avant-Garde Compiler, Retro Interpreter (Programming Perl)
order of running: 18.7. Avant-Garde Compiler, Retro Interpreter (Programming Perl)
skipping: 18.7. Avant-Garde Compiler, Retro Interpreter (Programming Perl)
=end command (pod): Chapter 4, Reference: =end (Perl in a Nutshell)
end index
Entry widget: 18.8.1. Text Indexes (Perl in a Nutshell)
Listbox widget: 18.10.1. Listbox Indexes (Perl in a Nutshell)
Menu widget: 18.15.1. Menu Indexes (Perl in a Nutshell)
Text widget: 18.11.1. Text Indexes and Modifiers (Perl in a Nutshell)
=end pod directive: 12.16. Documenting Your Module with Pod (Perl Cookbook)
end of string, matching: 5.6.2. Endings: The \z, \Z, and $ Assertions (Programming Perl)
End() (Response object, PerlScript): 20.2.2.3. Response methods (Perl in a Nutshell)
END block: 6.3. Package Initialization and Destruction (Advanced Perl Programming)
__END__ token: 7.6. Storing Files Inside Your Program Text (Perl Cookbook)
4.4.4. Global Special Constants (Perl in a Nutshell)
2.6.8. Other Literal Tokens (Programming Perl)
24.5.2. Generating Perl in Other Languages (Programming Perl)
28.2. Special Variables in Alphabetical Order (Programming Perl)
endgrent (): 29.2.44. getgrent (Programming Perl)
Chapter 5, Reference: endgrent (Perl in a Nutshell)
endhostent(): Chapter 5, Reference: endhostent (Perl in a Nutshell)
29.2.49. gethostent (Programming Perl)
ending (see terminating)
ending escape sequences for character modification: 2.6.2. String Literals (Programming Perl)
endless loop (see infinite loops)
endnetent(): Chapter 5, Reference: endnetent (Perl in a Nutshell)
endprotoent(): Chapter 5, Reference: endprotoent (Perl in a Nutshell)
29.2.60. getprotoent (Programming Perl)
endpwent()
Chapter 5, Reference: endpwent (Perl in a Nutshell)
29.2.61. getpwent (Programming Perl)
endservent(): Chapter 5, Reference: endservent (Perl in a Nutshell)
29.2.66. getservent (Programming Perl)
endtag() (HTML::Parser): Chapter 17, Reference: endtag (Perl in a Nutshell)
English module: 8.45. English (Perl in a Nutshell)
7.1. Format Variables (Programming Perl)
32.1.13. Perl Language Extensions and Internals (Programming Perl)
enqueue method: 17.2.3.1. Queues (Programming Perl)
Entry widgets (Perl/Tk): A.3. Entry (Advanced Perl Programming)
14.3.5.5. The entry widget (Advanced Perl Programming)
18.8. The Entry Widget (Perl in a Nutshell)
entrycget()
Menu widget: 18.15.2. Menu Methods (Perl in a Nutshell)
Menubutton widget: 18.14.2. Menubutton Methods (Perl in a Nutshell)
entryconfigure()
Menu widget: 18.15.2. Menu Methods (Perl in a Nutshell)
Menubutton widget: 18.14.2. Menubutton Methods (Perl in a Nutshell)
EnumerateRights() (Win32::FileSecurity): Chapter 19, Reference: EnumerateRights (Perl in a Nutshell)
%ENV hash
4.4.2. Global Special Arrays and Hashes (Perl in a Nutshell)
28.2. Special Variables in Alphabetical Order (Programming Perl)
deleting from: 29.2.24. delete (Programming Perl)
portability of: 25.4. System Interaction (Programming Perl)
Env module: 6.5.1. How Do use and Exporter Work? (Advanced Perl Programming)
9.3. Tying Hashes (Advanced Perl Programming)
8.46. Env (Perl in a Nutshell)
32.1.13. Perl Language Extensions and Internals (Programming Perl)
env program, starting Perl with: 19.1. Command Processing (Programming Perl)
cleaning up: 23.1.2. Cleaning Up Your Environment (Programming Perl)
env_proxy() (LWP::UserAgent): Chapter 17, Reference: env_proxy (Perl in a Nutshell)
environment variables: 3.3. Environment Variables (Perl in a Nutshell)
19.2. Environment Variables (Programming Perl)
28.2. Special Variables in Alphabetical Order (Programming Perl)
CGI-related: 9.4. CGI Environment Variables (Perl in a Nutshell)
DBI-related: 12.4. DBI Environment Variables (Perl in a Nutshell)
Env module: 32.1.13. Perl Language Extensions and Internals (Programming Perl)
modules, Perl use of: 19.2. Environment Variables (Programming Perl)
PERLDB_OPTS, setting debugger options with: 20.4. Unattended Execution (Programming Perl)
PERL_DESTRUCT_LEVEL: 12.6.1. Garbage Collection with DESTROY Methods (Programming Perl)
portability of: 25.4. System Interaction (Programming Perl)
shells vs. Perl: 24.1.4. Shell Traps (Programming Perl)
taint checking: 23.1. Handling Insecure Data (Programming Perl)
eof function: 1.6.2.1. The while and until statements (Programming Perl)
Chapter 5, Reference: eof (Perl in a Nutshell)
HTML::Parser module: Chapter 17, Reference: eof (Perl in a Nutshell)
24.2.1. Time Efficiency (Programming Perl)
29.2.31. eof (Programming Perl)
tied filehandle, using on: 14.4.1. Filehandle-Tying Methods (Programming Perl)
eparams() (URI::URL): Chapter 17, Reference: eparams (Perl in a Nutshell)
epath() (URI::URL): Chapter 17, Reference: epath (Perl in a Nutshell)
eq (equal to) operator
4.5.4.2. Equality operators (Perl in a Nutshell)
24.1.1. Universal Blunders (Programming Perl)
eq() (URI::URL): Chapter 17, Reference: eq (Perl in a Nutshell)
equal method: 17.2.1.5. Identifying threads (Programming Perl)
equal to (=) operator: 3.12. Equality Operators (Programming Perl)
equality operators: 4.5.4.2. Equality operators (Perl in a Nutshell)
3.12. Equality Operators (Programming Perl)
equery() (URI::URL): Chapter 17, Reference: equery (Perl in a Nutshell)
erasing (see deleting)
err() (DBI): Chapter 12, Reference: err (Perl in a Nutshell)
errno: 28.2. Special Variables in Alphabetical Order (Programming Perl)
Errno module: 8.47. Errno (Perl in a Nutshell)
32.1.13. Perl Language Extensions and Internals (Programming Perl)
$ERRNO ($!) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
error messages: 24.3. Programming with Style (Programming Perl)
33. Diagnostic Messages (Programming Perl)
user efficiency, improving with: 24.2.6. User Efficiency (Programming Perl)
Error() (Win32::Internet): Chapter 19, Reference: Error (Perl in a Nutshell)
error_as_HTML() (HTTP::Response): Chapter 17, Reference: error_as_HTML (Perl in a Nutshell)
errors: 5.2. The Block Form: Exception Handling (Advanced Perl Programming)
29.2.38. fileno (Programming Perl)
33. Diagnostic Messages (Programming Perl)
$! variable for: 28.2. Special Variables in Alphabetical Order (Programming Perl)
Carp module: 32.3. Carp (Programming Perl)
CGI scripts: 19.0. Introduction (Perl Cookbook)
19.2. Redirecting Error Messages (Perl Cookbook)
19.3. Fixing a 500 Server Error (Perl Cookbook)
CGI::Carp module, handling of: 32.5. CGI::Carp (Programming Perl)
controlling for other programs: 16.9. Controlling the Input, Output, and Error of Another Program (Perl Cookbook)
creating uniform DBI numbers: 10.4.1.6. What DBI does not provide (Advanced Perl Programming)
eval function and: 5.1. The String Form: Expression Evaluation (Advanced Perl Programming)
exceptions in subroutines: 10.12. Handling Exceptions (Perl Cookbook)
failed symbol exports: 11.2.1.3. Managing unknown symbols (Programming Perl)
insecure data: 23.1. Handling Insecure Data (Programming Perl)
out-of-memory errors: 28.2. Special Variables in Alphabetical Order (Programming Perl)
reading STDERR from programs: 16.7. Reading STDERR from a Program (Perl Cookbook)
reporting filenames in: 7.4. Making Perl Report Filenames in Errors (Perl Cookbook)
reporting like built-ins: 12.12. Reporting Errors and Warnings Like Built-Ins (Perl Cookbook)
returning failure from subroutines: 10.10. Returning Failure (Perl Cookbook)
subroutines: 6.2.2. Error Indications (Programming Perl)
trapping in require/use statements: 12.2. Trapping Errors in require or use (Perl Cookbook)
trapping undefined function calls: 10.15. Trapping Undefined Function Calls with AUTOLOAD (Perl Cookbook)
warn function, producing error messages: 29.2.199. warn (Programming Perl)
web server error log: 19.0. Introduction (Perl Cookbook)
20.13. Processing Server Logs (Perl Cookbook)
when parsing files: 6.3. Package Initialization and Destruction (Advanced Perl Programming)
writing to httpd or other CGI errors logs: 32.1.9. World Wide Web (Programming Perl)
errstr() (DBI): Chapter 12, Reference: errstr (Perl in a Nutshell)
ESC character: 2.6.2. String Literals (Programming Perl)
ESC in octal: 2.6.2. String Literals (Programming Perl)
escape sequences for control characters: 2.6.2. String Literals (Programming Perl)
/etc/group file: 24.2.1. Time Efficiency (Programming Perl)
29.2.44. getgrent (Programming Perl)
escape_from() (Mail::Internet): Chapter 14, Reference: escape_from (Perl in a Nutshell)
escaped sequences: 1.13. Escaping Characters (Perl Cookbook)
4.6.3. Escaped Sequences (Perl in a Nutshell)
/etc/hosts file: 29.2.49. gethostent (Programming Perl)
/etc/networks file: 29.2.53. getnetent (Programming Perl)
/etc/passwd file: 24.2.1. Time Efficiency (Programming Perl)
29.2.61. getpwent (Programming Perl)
security and: 10.1.1. Local Filesystem Changes (Perl for System Administration)
/etc/protocols file: 29.2.60. getprotoent (Programming Perl)
/etc/services file: 29.2.66. getservent (Programming Perl)
/etc/utmp file: 29.2.50. getlogin (Programming Perl)
$EUID ($>) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
Eudora program: 8.1.2. Using the OS-Specific IPC Framework. (Perl for System Administration)
Ev function: 14.6.2. Event Details (Advanced Perl Programming)
$EVAL_ERROR variable: 5.1. The String Form: Expression Evaluation (Advanced Perl Programming)
eval: 2.5.1. Name Lookups (Programming Perl)
3.1. Terms and List Operators (Leftward) (Programming Perl)
8. References (Programming Perl)
24.2.1. Time Efficiency (Programming Perl)
29.2.32. eval (Programming Perl)
die function and: 29.2.25. die (Programming Perl)
loops and: 24.2.1. Time Efficiency (Programming Perl)
packages and: 10. Packages (Programming Perl)
restricted (reval): 23.3.1.1. Restricting namespace access (Programming Perl)
threads, catching exceptions with: 17.2.1.3. Catching exceptions from join (Programming Perl)
translating with variables: (Programming Perl) 5.2.4. The tr/// Operator (Transliteration)
$EVAL_ERROR: 28.2. Special Variables in Alphabetical Order (Programming Perl)
eval function: B.7. Exception Handling (Advanced Perl Programming)
Chapter 5, Reference: eval (Perl in a Nutshell)
exception handling with: 5.2. The Block Form: Exception Handling (Advanced Perl Programming)
expression evaluation with: 5.1. The String Form: Expression Evaluation (Advanced Perl Programming)
5.4. Using Eval for Expression Evaluation (Advanced Perl Programming)
for time-outs: 5.6. Using Eval for Time-Outs (Advanced Perl Programming)
improving preformance with: 5.5. Using Eval for Efficiency (Advanced Perl Programming)
in substitution: 1.8. Expanding Variables in User Input (Perl Cookbook)
6.0. Introduction (Perl Cookbook)
6.4. Commenting Regular Expressions (Perl Cookbook)
other languages and: 5.7. Eval in Other Languages (Advanced Perl Programming)
quotation marks and: 5.3. Watch Your Quotes (Advanced Perl Programming)
security and: 5.1. The String Form: Expression Evaluation (Advanced Perl Programming)
with require/use statement: 12.2. Trapping Errors in require or use (Perl Cookbook)
$EVAL_ERROR ($@) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
eval_sv and eval_pv functions: 21.4.4. Evaluating a Perl Statement from C (Programming Perl)
event handlers: 3.3.1.2. Reading XML using XML::Parser (Perl for System Administration)
Event Log Service: 9.2.3. Using the OS's Logging API (Perl for System Administration)
Event Viewer program: 9.2.3. Using the OS's Logging API (Perl for System Administration)
events
event details: 14.6.2. Event Details (Advanced Perl Programming)
event loops
Msg module: 13.1.1.4. Msg: Event loop routines (Advanced Perl Programming)
Perl/Tk and: 14.2. Starting with Perl/Tk (Advanced Perl Programming)
widgets and: 14.7. Event Loops (Advanced Perl Programming)
modifiers of: 14.6. Event Bindings (Advanced Perl Programming)
multiple bindings to: 14.6.1. Multiple Bindings (Advanced Perl Programming)
Tk resize: 15.16. Responding to Tk Resize Events (Perl Cookbook)
widget event bindings: 14.6. Event Bindings (Advanced Perl Programming)
example Perl scripts: FTP (Advanced Perl Programming)
2.3.1.1. Perl examples (Perl in a Nutshell)
exceptions: B.7. Exception Handling (Advanced Perl Programming)
intercepting: 28.2. Special Variables in Alphabetical Order (Programming Perl)
die function and: 29.2.25. die (Programming Perl)
Exception.pm module: 5.2.1.1. Exception.pm (Advanced Perl Programming)
exceptions.pl module: 5.2.1.2. exceptions.pl (Advanced Perl Programming)
functions raising: 29.2. Perl Functions in Alphabetical Order (Programming Perl)
handling in subroutines: 10.12. Handling Exceptions (Perl Cookbook)
handling with eval: 5.2. The Block Form: Exception Handling (Advanced Perl Programming)
in detached child threads: 17.2.1.4. The detach method (Programming Perl)
insecure data: 23.1. Handling Insecure Data (Programming Perl)
modules for: 5.2.1. Standard Modules (Advanced Perl Programming)
32.1.15. Warnings and Exceptions (Programming Perl)
other languages and: 5.7. Eval in Other Languages (Advanced Perl Programming)
raising on failure: 32.1.13. Perl Language Extensions and Internals (Programming Perl)
raising to indicate subroutine errors: 6.2.2. Error Indications (Programming Perl)
SWIG and: 18.3. SWIG Features (Advanced Perl Programming)
threads, catching: 17.2.1.3. Catching exceptions from join (Programming Perl)
trapping: 29.2.32. eval (Programming Perl)
trapping undefined function calls: 10.15. Trapping Undefined Function Calls with AUTOLOAD (Perl Cookbook)
$EXCEPTIONS_BEING_CAUGHT: 28.2. Special Variables in Alphabetical Order (Programming Perl)
exclusive file locks: 16.2.1. File Locking (Programming Perl)
obtaining: 16.2.1. File Locking (Programming Perl)
exclusive locks: 7.11. Locking a File (Perl Cookbook)
exclusive or (xor) operator: 3.13. Bitwise Operators (Programming Perl)
3.20. Logical and, or, not, and xor (Programming Perl)
exec(): 16.0. Introduction (Perl Cookbook)
16.3. Replacing the Current Program with a Different One (Perl Cookbook)
19.6. Executing Commands Without Shell Escapes (Perl Cookbook)
Chapter 5, Reference: exec (Perl in a Nutshell)
exec function: 29.2.33. exec (Programming Perl)
filehandles, leaving open across calls: 16.2.2. Passing Filehandles (Programming Perl)
list argument form, avoiding shell with: 23.3.2. Code Masquerading as Data (Programming Perl)
portability of: (Programming Perl) 25.5. Interprocess Communication (IPC)
$EXECUTABLE_NAME ($^X) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
executable image file: 18.1. The Life Cycle of a Perl Program (Programming Perl)
$EXECUTABLE_NAME: 28.2. Special Variables in Alphabetical Order (Programming Perl)
execute() (DBI): Chapter 12, Reference: execute (Perl in a Nutshell)
12.2.3. Database Handles and Statement Handles (Perl in a Nutshell)
executing
code: 18.3. Executing Your Code (Programming Perl)
code, conditionally: 1.5.5. Logical Operators (Programming Perl)
methods: 12.3. Method Invocation (Programming Perl)
other programs from Perl: 29.2.174. system (Programming Perl)
Perl program: 1.3.1. How to Do It (Programming Perl)
Perl programs: 19.1. Command Processing (Programming Perl)
execution
code, order of: 18.7. Avant-Garde Compiler, Retro Interpreter (Programming Perl)
Perl programs: 18.1. The Life Cycle of a Perl Program (Programming Perl)
unattended, debugger: 20.4. Unattended Execution (Programming Perl)
executor: 20.2.3. Executor (Advanced Perl Programming)
execv function (in C): 29.2.33. exec (Programming Perl)
execvp function (in C): 29.2.33. exec (Programming Perl)
existence of a process: 16.1.1. Signaling Process Groups (Programming Perl)
exists(): 5.1. Adding an Element to a Hash (Perl Cookbook)
Chapter 5, Reference: exists (Perl in a Nutshell)
29.2.34. exists (Programming Perl)
invoking on hash: 14.3.1. Hash-Tying Methods (Programming Perl)
multiple hash key values: 5.7. Hashes with Multiple Values Per Key (Perl Cookbook)
News::Newsrc module: Chapter 15, Reference: exists (Perl in a Nutshell)
exit()
Chapter 5, Reference: exit (Perl in a Nutshell)
11.4. Running CGI Scripts with mod_perl (Perl in a Nutshell)
29.2.35. exit (Programming Perl)
29.2.40. fork (Programming Perl)
threads and: 17.2.1.2. Thread destruction (Programming Perl)
exit status: 28.2. Special Variables in Alphabetical Order (Programming Perl)
exit status, die() and: 10.3. A Slight Diversion
exiting
debugger: 20.3.3. Debugger Options (Programming Perl)
if or unless blocks: 4.5. Bare Blocks (Programming Perl)
infinite loop: 4.4.2. for Loops (Programming Perl)
once-through blocks: 4.5. Bare Blocks (Programming Perl)
exp(): Chapter 5, Reference: exp (Perl in a Nutshell)
29.2.36. exp (Programming Perl)
expand() (Net::SMTP): Chapter 14, Reference: expand (Perl in a Nutshell)
-expand option (pack geometry manager): 18.2.1. The pack Geometry Manager (Perl in a Nutshell)
expanding tabs: 1.7. Expanding and Compressing Tabs (Perl Cookbook)
expanding variables in user input: 1.8. Expanding Variables in User Input (Perl Cookbook)
expansion, filename: 29.2.69. glob (Programming Perl)
Expect module: 15.13. Controlling Another Program with Expect (Perl Cookbook)
16.3.3. Bidirectional Communication (Programming Perl)
22.1. The CPAN modules Directory (Programming Perl)
Expires property (response cookies): 20.2.2.1. Setting cookies (Perl in a Nutshell)
20.2.2.2. Response properties (Perl in a Nutshell)
ExpiresAbsolute property (Response object): 20.2.2.2. Response properties (Perl in a Nutshell)
explicit method invocations: 12.3. Method Invocation (Programming Perl)
expn program (example): 18.9. Program: expn and vrfy (Perl Cookbook)
exponential notation: 2.6.1. Numeric Literals (Programming Perl)
exponentiation (**) operator
4.5.3. Arithmetic Operators (Perl in a Nutshell)
3.4. Exponentiation (Programming Perl)
@EXPORT array: 12.1. Defining a Module's Interface (Perl Cookbook)
28.2. Special Variables in Alphabetical Order (Programming Perl)
exponentiation of integers: 21.4.5. Fiddling with the Perl Stack from C (Programming Perl)
@EXPORT_OK array (use pragma): 12.1. Defining a Module's Interface (Perl Cookbook)
Exporter module: 6.5. Importing Symbols (Advanced Perl Programming)
12.0. Introduction (Perl Cookbook)
12.1. Defining a Module's Interface (Perl Cookbook)
8.48. Exporter (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
21.3.2. Creating Extensions (Programming Perl)
exporting: 11. Modules (Programming Perl)
exporting from modules: 11.2. Creating Modules (Programming Perl)
importing into current package: 11.1. Using Modules (Programming Perl)
leaving off export list or deleting from import list: 11.2.1. Module Privacy and the Exporter (Programming Perl)
metasymbols, generic wildcards: 5.3.3. Wildcard Metasymbols (Programming Perl)
exporting symbols: 11.2. Creating Modules (Programming Perl)
11.2.1. Module Privacy and the Exporter (Programming Perl)
without using import method from Exporter: 11.2.1.1. Exporting without using Exporter's import method (Programming Perl)
exporting to modules: 12.0. Introduction (Perl Cookbook)
-exportselection option (widgets): 18.3. Common Widget Configuration Options (Perl in a Nutshell)
@EXPORT_OK array: 28.2. Special Variables in Alphabetical Order (Programming Perl)
%EXPORT_TAGS hash: 28.2. Special Variables in Alphabetical Order (Programming Perl)
@EXPORT_TAGS array (use pragma): 12.1. Defining a Module's Interface (Perl Cookbook)
export_to_level method: 11.2.1.1. Exporting without using Exporter's import method (Programming Perl)
evaluation: 5.1. The String Form: Expression Evaluation (Advanced Perl Programming)
5.4. Using Eval for Expression Evaluation (Advanced Perl Programming)
/e flag with substitutions: 5.4.1. Expression Evaluation in Substitutions (Advanced Perl Programming)
EXPR and LIST: 4.2. Compound Statements (Programming Perl)
interpolating within strings: 1.10. Interpolating Functions and Expressions Within Strings (Perl Cookbook)
loops, separating with commas (,): 4.4.2. for Loops (Programming Perl)
multiple, in loops: 4.4.2. for Loops (Programming Perl)
Perl, supplying in replacement strings: 5.10.3. Programmatic Patterns (Programming Perl)
plotting: 4.2.2.1. Expression plotting (Advanced Perl Programming)
EXPRs: 4.2. Compound Statements (Programming Perl)
goto operator, use with: 4.6. goto (Programming Perl)
$EXTENDED_OS_ERROR: 28.2. Special Variables in Alphabetical Order (Programming Perl)
EXTEND macro: 20.4.2.2. Ensuring that the stack is big enough (Advanced Perl Programming)
extended regular expression syntax: 4.6.8. Extended Regular Expressions (Perl in a Nutshell)
$EXTENDED_OS_ERROR ($^E) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
extending arrays: 2.8.2. Array Length (Programming Perl)
extending Perl: 21.3. Extending Perl (Using C from Perl) (Programming Perl)
extensions, creating: 21.3.2. Creating Extensions (Programming Perl)
32.1.13. Perl Language Extensions and Internals (Programming Perl)
using functions from external C libraby: 21.3.4. Using Functions from an External C Library (Programming Perl)
XSUB input and output: 21.3.3. XSUB Input and Output (Programming Perl)
XSUBs and XS language, wrapping Perl in: 21.3.1. XS and XSUBs (Programming Perl)
Extensible Markup Language (see XML)
extension modules, Perl: 19.4. Adding Extensions (Advanced Perl Programming)
external subroutines,: 25.6. External Subroutines (XS) (Programming Perl)
extra path information: 9.3. Extra Path Information (Perl in a Nutshell)
extract_cookies() (HTTP::Cookies): Chapter 17, Reference: extract_cookies (Perl in a Nutshell)
extracting substrings: 29.2.168. substr (Programming Perl)
extract_links() (HTML::Parser): Chapter 17, Reference: extract_links (Perl in a Nutshell)
extracting
source code: 2.3.1. Installing on Unix (Perl in a Nutshell)
2.3.2.2. Standard Perl distribution (Perl in a Nutshell)
URLs from HTML: 20.3. Extracting URLs (Perl Cookbook)
ExtUtils modules: 8.49. ExtUtils::Command (Perl in a Nutshell)
ExtUtils::Command module: 8.49. ExtUtils::Command (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::Embed module: 19.4. Adding Extensions (Advanced Perl Programming)
8.50. ExtUtils::Embed (Perl in a Nutshell)
ExtUtils::Embed module: 21.4.1. Compiling Embedded Programs (Programming Perl)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::Install module: 8.51. ExtUtils::Install (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::Installed module: 8.52. ExtUtils::Installed (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::Liblist module: 8.53. ExtUtils::Liblist (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::MakeMaker module: 8.54. ExtUtils::MakeMaker (Perl in a Nutshell)
22.3. Creating CPAN Modules (Programming Perl)
22.3. Creating CPAN Modules (Programming Perl)
32.1.17. Module Installation Support (Programming Perl)
(see also MakeMaker)
ExtUtils::Manifest module: 8.55. ExtUtils::Manifest (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::Miniperl module: 8.56. ExtUtils::Miniperl (Perl in a Nutshell)
ExtUtils::Mkbootstrap module: 8.57. ExtUtils::Mkbootstrap (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::Mksymlists module: 8.58. ExtUtils::Mksymlists (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::MM_Cygwin module: 32.1.17. Module Installation Support (Programming Perl)
ExtUtils::MM_OS2 module: 8.59. ExtUtils::MM_OS2 (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::MM_Unix module: 8.60. ExtUtils::MM_Unix (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::MM_VMS module: 8.61. ExtUtils::MM_VMS (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::MM_WIN32 module: 8.62. ExtUtils::MM_Win32 (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::Packlist module: 8.63. ExtUtils::Packlist (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::testlib module: 8.64. ExtUtils::testlib (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)

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