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Index: E

-e command-line option, and inplace editing : 17.5. Variable-Length ( Text) Databases
-e operator : 10.5. The -x File Tests
e option to substitute operator : D.5.2. The eval Operator (and s///e)
each() operator : 5.4.3. The each Function
examples of
A.16. Chapter 17, User Database Manipulation
17.3. Using a DBM Hash
echo command, and globbing : 12.2. Globbing
editors, and updating databases : 17.5. Variable-Length ( Text) Databases
elements of array : 3.1. What Is a List or Array?
else keyword : 4.2. The if/unless Statement
elsif keyword
1.5.5. More than One Secret Word
4.2. The if/unless Statement
example of
A.3. Chapter 4, Control Structures
15.4. Advanced Sorting
email, example of handling : 9.1. The last Statement
embedded Perl : 19.10.2. Embedded Perl
empty array : 3.2. Literal Representation
empty list : 3.2. Literal Representation
and clearing out associative array : 5.4.2. The values Function
as default value for array variable : 3.3. Variables
as return value from getpwent() : 16.1. Getting Password and Group Information
end of file
Control-D as : 3.6. <STDIN> as an Array
detecting, introduced : 1.5.10. Moving the Secret Word List into a Separate File
end tokens : 19.3. Simplest CGI Program
endgrent() operator : 16.1. Getting Password and Group Information
endpwent() operator : 16.1. Getting Password and Group Information
%ENV variable : 14.1. Using system and exec
environment variables, controlling through %ENV : 14.1. Using system and exec
eof() (Perl) : 19.8.2. Objects in CGI.pm
eq operator : 2.4.2. Operators for Strings
example of
1.5.3. Adding Choices
1.5.17. The Final Programs
equal sign (=)
as array assignment operator : 3.4.1. Assignment
as assignment operator : 2.6. Scalar Operators and Functions
eval() operator
D.5.2. The eval Operator (and s///e)
11.1. What Is a Format?
exec() operator : 14.4. Using fork
execute bit, and Perl programs : 1.4. Basic Concepts
exit status, and die() : 10.3. A Slight Diversion: die
exit value : 14.4. Using fork
exit() operator : 14.4. Using fork
exponential notation, in floating-point numbers : 2.2.2. Float Literals
exponentiation operator (**) : 2.4.1. Operators for Numbers
export command, emulating : 14.1. Using system and exec
expressions
in array literals : 3.2. Literal Representation
in subroutine body : 8.3. Return Values


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