These are earlier recordings and they are a bit noisy, sorry for that.

You can watch the episodes on YouTube, or on this site. Some of the pages here have extra text.

Table of Contents

1. Introduction

1. Welcome and installation
2. Editors, IDEs
3. Hello World
4. Safety net (use strict; use warnings;)
5. Debugging
6. Comments
7. Documentation of Perl
8. POD - Plain Old Documentation
9. Perl on the command line
10. Exercise: Hello World
11. Solution: Hello World (part 1)
12. Solution: Hello World (part 2)

2. Scalars

1. Scalar values and variables
2. Common Errors
3. Variable interpolation - User Input and Output - chomp
4. Numerical Operators
5. String Operators
6. If statement
7. Comparison Operators
8. String to Number Conversion
9. Compare Values
10. undef
11. Logical Operators
12. True and False values
13. Short circuit
14. String functions: index
15. Substr
16. String in Double quotes
17. String in Single quotes
18. Scope of Variables
19. rand() and int()
20. Here documents
21. Exercise: rectangular
22. Solution: Area of rectangular
23. Solution: Area prompt and warn if values are less than 0
24. Solution: Concatenation
25. Exercise: Number guessing game
26. Solution: Number guessing game

3. Files

1. die, warn, exit
2. Open File
3. Open File All
4. Open File with Error Handling
5. open or die
6. No such file
7. Read one line
8. While loop
9. Read file line by line
10. Write to file
11. Sum numbers in a file
12. Debug the sum numbers script
13. Analyze Apache log file
14. Old Style Open
15. Exercise: Add more statistics
16. Solution: Add more statistics
17. Exercise: Write report to file
18. Solution: Write report to file

4. Lists and Arrays

1. Lists in Perl
2. List Assignment
3. Foreach Loop Over List
4. Creating and Array
5. Array Assignment
6. Exercise: more statistics
7. Solution: more statistics (placeholder)
8. Array indexes
9. Array indexes (screencast)
10. Looks like number
11. Command line parameters
12. Command line parameters (screencast)
13. Processing command line using Getopt::Long
14. Processing command line using Getopt::Long (screencast)
15. Process CSV file
16. Process CSV file - short version
17. One-liner - Sum of values in CSV file
18. Process CSV file - using Text::CSV_XS
19. Join
20. Exercise: improve the color selector
21. Solution: improve the color selector
22. Solution: improve the color selector - check input
23. Solution: improve the color selector - force
24. Solution: improve the color selector - colors.txt
25. Solution: improve the color selector - --filename
26. Exercise: improve the number guessing game
27. Solution: improve the number guessing game - multiple guesses
28. Solution: improve the number guessing game - exit
29. Solution: improve the number guessing game - s for show
30. Solution: improve the number guessing game - n for next game
31. Solution: improve the number guessing game - d for debug mode
32. Solution: improve the number guessing game - m for move mode

5. Advanced Arrays

1. The Year of 19100
2. Array in Context
3. Context Sensitivity
4. Filehandle in SCALAR and LIST context
5. Slurp
6. Pop and Push
7. Loop controls: next and last
8. shift and unshift
9. shift
10. reverse
11. sort
12. Ternary operator
13. Count Digits
14. Exercise: Display unique rows of a file
15. Exercise: sort mixed string

6. Functions and Subroutines

1. Functions and Subroutines
2. Defining Subroutines
3. Exercise: Number guessing in sub

7. Hashes

1. A hash and its uses
2. Creating a hash
3. Creating a hash from an array
4. Hash in scalar context
5. Fetching data from hash
6. Exists and Delete in hash
7. Counting words in a file
8. Dumping hash
9. Exercise: parse HTTP values
10. Solution: parse HTTP values
11. Exercise: Improve color selector
12. Solution: Improve color selector
13. Exercise: Sort scores
14. Solution: Sort scores
15. Exercise: Improve Apache log analyzer
16. Solution: Improve Apache log analyzer
17. Exercise: Parse variable width fields
18. Solution: Parse variable width fields

8. Regular Expressions - part 1

1. Regexes
2. Where can I use regexes
3. Simple use of regex
4. Finding a string in a file
5. Single character match
6. Match any character
7. Character classes
8. Negated character class
9. Optional characters
10. Any Number of any Characters
11. Quantifiers
12. Quantifiers on Character classes
13. Exercise: Regexes 1
14. Solution: Regexes 1
15. Solution: Regexes 2
16. Solution: Regexes 3

9. Regular Expressions - part 2

1. Regex Alternatives
2. Regex Capturing
3. Regex Anchors
4. More about Character classes
5. Special character classes
6. Exercise: Match numbers with regex
7. Solution: Match numbers with regex
8. Exercise: hexa, octal, binary
9. Solution: hexa, octal, binary
10. Exercise: Roman numbers

10. Regular Expressions - part 3

1. m/ for matching regexes
2. Case insensitive regexes using /i
3. multiple lines in regexes using /m
4. Single line regexes using /s
5. /x modifier for verbose regexes
6. Substitution
7. Global substitution with regexes
8. Greedy regex quantifiers
9. Minimal Regex Matching
10. trim
11. Fixing assembly with Perl
12. split with regex
13. Fixing dates using Regexes
14. Exercise split HTTP using Regexes
15. Solution: split HTTP using Regexes
16. Exercise: split path - filename/dirname
17. Solution: split path - filename/dirname
18. Exercise: sort SNMP numbers
19. Solution: sort SNMP numbers
20. Exercise: parse hours log file and create time report
21. Solution: parse hours log file and create time report (placeholder)
22. Exercise: parse INI file
23. Solution: parse INI file (placeholder)
24. Exercise: parse Perl file
25. Solution parse Perl file (placeholder)

11. Shell to Perl

1. shell -x
2. Running external programs
3. Unix and DOS commands
4. file globbing
5. rename files
6. directory handle
7. File::HomeDir
8. more Unix commands
9. File::Spec
10. File::Find

12. CPAN

1. Using procedural module
2. Using object oriented module
3. Changing @INC
4. Changing @INC relative path
5. What is CPAN
6. Some interesting CPAN modules
7. Installing modules from the OS vendor
8. Installing Perl modules with cpan
9. search.cpan.org
10. CPAN Testers and CPAN Ratings

13. Applications

1. Create Linux user account
2. Diskspace usage: df in Perl
3. Reporting diskspace usage on mail server
4. disk usage: du
5. Send email with attachments
6. Reading Excel file
7. read fixed-width records
8. Processing config file