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Index: E

• each function: The each Function
• • DBM hashes and: Using a DBM Hash
• echo command: Globbing
• elements: Lists and Arrays
• • of an array: Accessing Elements of an Array
  • pop and push operators for: The pop and push Operators
• else clause, using with unless control structure: The else Clause with unless
• else keyword: The if Control Structure
• elsif clause: The elsif Clause
• emacs text editor: How Do I Make a Perl Program?
• email addresses, compile time errors and: Interpolating Arrays into Strings
• email, Net::SMTP module for: The Net::SMTP Module
• embedding code: Embedding
• end-of-file/end-of-input: <STDIN> in List Context
• • bad filehandles and: Bad Filehandles
• endless loop, stopping: The while Control Structure
• environment variables: The Environment Variables
• Epoch: The stat and lstat Functions
• error messages: Perl's Built-in Warnings
• • printed by die function: Fatal Errors with die
  • sending to a file: Reopening a Standard Filehandle
  • standard output and: Using Backquotes to Capture Output
• errors (see fatal errors)
• eval block: Trapping Errors with eval
• • caution with: Trapping Errors with eval
• exec function: The exec Function
• exercises in this tutorial: What About the Exercises and Their Answers?
• • answers to: Exercise Answers
• exists function: The exists Function
• exit status: Fatal Errors with die
• exponentiation operator (**): Numeric Operators
• expressions
• • context and: Scalar and List Context
  • modifiers for: Expression Modifiers