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Index: E

-e command-line option, and inplace editing : Variable-Length ( Text) Databases
-e operator : The -x File Tests
option to substitute operator : The eval Operator (and s///e)
each( ) operator : The each Function
- examples of
- - User Database Manipulation
  - Using a DBM Hash
echo command, and globbing : Globbing
editors, and updating databases : Variable-Length ( Text) Databases
elements of array : What Is a List or Array?
else keyword : The if/unless Statement
elsif keyword
- More than One Secret Word
- The if/unless Statement
- example of
- - Control Structures
  - Advanced Sorting
email, example of handling : The last Statement
embedded Perl : Embedded Perl
empty array : Literal Representation
empty list : Literal Representation
- and clearing out associative array : The values Function
- as default value for array variable : Variables
- as return value from getpwent( ) : Getting Password and Group Information
end of file
- Control-D as : <STDIN> as an Array
- detecting, introduced : Moving the Secret Word List into a Separate File
end tokens : Simplest CGI Program
endgrent( ) operator : Getting Password and Group Information
endpwent( ) operator : Getting Password and Group Information
%ENV variable : Using system and exec
environment variables, controlling through %ENV : Using system and exec
eof( ) (Perl) : Objects in CGI.pm
eq operator : Operators for Strings
- example of
- - Adding Choices
  - The Final Programs
equal sign (=)
- as array assignment operator : Assignment
- as assignment operator : Scalar Operators and Functions
eval( ) operator
- The eval Operator (and s///e)
- What Is a Format?
exec( ) operator : Using fork
execute bit, and Perl programs : Basic Concepts
exit status, and die( ) : Slight Diversion: die
exit value : Using fork
exit( ) operator : Using fork
exponential notation, in floating-point numbers : Float Literals
exponentiation operator (**) : Operators for Numbers
export command, emulating : Using system and exec
expressions
- in array literals : Literal Representation
- in subroutine body : Return Values

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