Perl

How to Use This Book; 1. Getting Started; Introduction to Perl; Using Pico; Create a Perl Script; Execute a Perl Script; Create a Self - Executing Perl Script; Using Command Line Options; Upload a Perl Script to a Web Server; 2. Work with Variables; Using Strings; Using Numbers; Create a Scalar Variable; Manipulate a String Variable; Manipulate a Numeric Variable; Create an Array; Work With Arrays; Using Scalar Context; Using Special Variables; 3. Work with Data; Trim a String; Find the Length of a String; Change Case of a Character or String; Divide a String; Format a String; Extract a Substring; Search for a Substring; Using Mathematical Functions; Work With Undefined Variables; Work With Time; Using ASCII Values; Evaluate Code; 4. Using Operators; Introduction to Operators; Using the Assignment Operator; Using Relational Operators; Using Arithmetic Operators; Using Logical Operators; Using the Conditional Operator; Using the Comma Operator; Using Bitwise Operators; 5. Controlling the Flow of Code; Test a Condition; Create a Loop; Process a List; Create a Conditional Loop; Using Statement Modifiers; Control Loop Processing; Exit a Script; 6. Using Lists, Arrays and Hashes; Join List Elements Into a String; Assign a List to Another List; Using Elements in a List; Sort a List; Add and Remove Elements in an Array; Replace Elements in an Array; Create a Hash; Access Keys and Values in a Hash; Work With Hash Elements; 7. Using Subroutines; Using a Subroutine; Pass Arguments to a Subroutine; Set the Variable Scope; 8. Accepting Input and Generating Output; Using the Print Function; Format Output With the Printf Function; Define a Format; Get Keyboard Input; Execute a System Command; 9. Using Regular Expressions; Create a Regular Expression; Match Characters; Using Character Classes; Using Quantifiers; Using the Matching Operator; Using the Substitution Operator; Using the Translation Operator; Using Backreferences; 10. Work with the File System; Create and Write to a File; Read a File; Read Characters from a File; Change Position in a File; Determine the Position in a File; Determine the Status of a File; Change the Default Filehandle; Rename or Delete a File; Test a File; Work With Directories; Access Environment Variables; 11. Demystifying References; Create References; Dereference a Reference; Using Symbolic References; Using References With Arrays; Create an Array of Hashes; 12. Harnessing Packages and Modules; Create a Package; Using a Package; Create a Module; Using a Module; Get an Existing Module; Install an Existing Module; Using an Installed Module; 13. Debugging Code; Generate Warning Messages; Using Strict Error Checking; Using the Debugger; Set a Breakpoint in the Debugger; Enter Perl Statements in the Debugger; 14. Work with Perl and the Web; Introduction to HTML; Web Page Basics; Create a Form; Add Elements to a Form; Form Elements; Using Perl to Generate a Web Page; Using a Query String; Create and Process a Form in One Script; Create a Cookie; Read a Cookie; Access CGI Environment Variables; Using Server - Side Includes; Send E - mail Using Sendmail; 15. Work with Databases; Introduction to Databases; Connect to a Database; Issue a Command to a Database; Retrieve Information from a Database; Add a Record to a Database; Delete a Record from a Database; 16. Using the CGI.pm Module; Install the CGI.pm Module; Load the CGI.pm Module; Using the CGI.pm Module to Generate a Web Page; Specify Arguments for CGI.pm Functions; Using Object - Oriented Syntax; Create a Form; Create a Table; Extract Values from a Query String; Extract Multiple Values from a Form; Create a Cookie; Read a Cookie; Redirect a Web Page; Determine Information About a Perl Script; Generate a Custom Tag; CGI.pm Module Functions - Quick Reference; Appendix; Index.