Reporting diskspace usage on a mail server - video
In this example I was using Filesys::DfPortable and Mail::Sendmail. Today I'd probably use Email::Stuffer but the basicas are the same. See also the video about Email::Stuffer.
Beginner Perl Maven video course - video
- Introduction
- Welcome and Installation - video
- Editors and IDEs for Perl developers - video
- Your first script: Hello world - video
- Safety net (use strict; use warnings;) - video
- Debugging Perl scripts - video
- Comments - video
- Documentation of Perl - video
- POD - Plain Old Documentation - video
- Perl on the command line (screencast) - video
- Exercise: Hello World - video
- Solution: Hello World part 1 - video
- Solution: Hello World part 2 (what is the difference between comment and POD?) - video
- Scalars
- Scalar values and variables - video
- Common Errors and Warnings - video
- Variable interpolation - User Input and Output - chomp - video
- Numerical Operators - video
- String operators - video
- The 'if' statement - video
- Comparison Operators - video
- String to number conversion - video
- Compare Values - video
- undef - video
- Logical Operators in Perl - video
- True False - video
- Short Circuit - video
- String functions: index - video
- Substr - video
- strings in double quotes - video
- strings in single quotes - video
- Scope of Variables - video
- rand() and int() - video
- Here documents - video
- Exercise: rectangular - video
- Solution: area of rectangular - video
- Solution: area prompt and warn - video
- Solution: concatenation - video
- Exercise: number guessing game - video
- Solution: number guessing game - video
- Files
- die, warn, exit - video
- Open file - video
- Open file all - video
- Open file with error handling - video
- Open or die - video
- No such file - video
- read one line - video
- while loop - video
- Read file line by line - video
- Write to file - video
- Sum numbers in a file - video
- Debug sum numbers - video
- Analyze Apache log file - video
- Old style open - video
- Exercise: add more statistics - video
- Solution: add more statistics - video
- Exercise: write report to file - video
- Solution: write report to file - video
- Lists and Arrays
- Lists in Perl - video
- List assignment - video
- foreach loop over list - video
- Creating an array - video
- Array assignment - video
- Exercise: more statistics - video
- Array indexes - video
- Array indexes (screencast) - video
- Looks like number - video
- Command line parameters - video
- Command line parameters (screencast) - video
- Process command line using Getopt::Long - video
- Process command line using Getopt::Long (screencast) - video
- Process CSV file - video
- Process CSV file short version - video
- One-liner sum of column in CSV - video
- Process CSV file using Text::CSV_XS - video
- Join - video
- Exercise: improve the color selector - video
- Solution: improve the color selector - video
- Solution: improve the color selector - check input - video
- Solution: improve the color selector - force - video
- Solution: improve the color selector - colors.txt - video
- Solution: improve the color selector - filename - video
- Exercise: improve number guessing game - video
- Solution: number guessing game - multiple guesses - video
- Solution: number guessing game - exit - video
- Solution: number guessing game - s show - video
- Solution: number guessing game - n next game - video
- Solution: number guessing game - d debug toggle - video
- Solution: number guessing game - m move toggle - video
- Advanced Arrays
- The year of 19100 - video
- array in context - video
- Conext sensitivity - video
- Filehandle in SCALAR and LIST context - video
- slurp - video
- pop and push - video
- Loop controls: next last - video
- shift and unshift - video
- shift - video
- reverse - video
- sort - video
- The Ternary operator - video
- Count digits - video
- Exercise: display unique rows of a file - video
- Exercise: sort mixed string - video
- Solution: display unique rows of a file - video
- Functions and Subroutines
- Hashes
- A hash and its uses - video
- Creating a hash - video
- Creating a hash from an array - video
- hash in SCALAR context - video
- Fetching data from a hash - video
- exists, delete in hash - video
- Counting words in a file - video
- Dumping a hash - video
- Exercise: parse HTTP values - video
- Solution: parse HTTP values - video
- Exercise: improve color selector - video
- Solution: improve color selector - video
- Exercise: sort scores - video
- Solution: sort scores - video
- Exercise: improve Apache log analyzer - video
- Solution: improve Apache log-analyzer - video
- Exercise: parse variable width fields - video
- Solution: parse variable width fields - video
- Regular Expressions - part 1
- Regexes - video
- Were can I use Regexes - video
- Simple use of Regexes - video
- Finding a string in a file - video
- Single character match - video
- Match any character - video
- Character classes - video
- Negated character class - video
- Optional Characters - video
- Any number of any characters - video
- Quantifiers - video
- Quantifiers on Character classes - video
- Exercise: Regexes 1 - video
- Solution: regexes 1 - video
- Solution: regexes 2 - video
- Solution: regexes 3 - video
- Regular Expressions - part 2
- Regex Alternatives - video
- Regex Capturing - video
- Regex Anchors - video
- More about Character classes - video
- Special character classes - video
- Exercise: Match numbers with regex - video
- Solution: Match numbers with regex - video
- Exercise: hexa, octal, binary - video
- Solution: hexa, octal, binary - video
- Exercise: Roman numbers - video
- Regular Expressions - part 3
- m-for-matching - video
- Case insensitive regexes - video
- multiple lines in regexes - video
- Single-line regexes using /s - video
- /x modifier for verbose regexes - video
- substitution - video
- Global substitution with regexes - video
- Greedy regex quantifiers - video
- Minimal Regex Matching - video
- trim - video
- Fixing Assembly with Perl - video
- split with regex - video
- Fixing dates using Regexes - video
- Exercise: split HTTP GET request - video
- Solution: split HTTP using Regex - video
- Exercise: split path - filename/dirname - video
- Solution: split path - filename/dirname - video
- Exercise: sort SNMP numbers - video
- Solution: sort SNMP numbers - video
- Exercise: parse hours log file and create time report - video
- Exercise: parse INI file - video
- Exercise: parse perl file - video
- Shell to Perl
- CPAN
- Using procedural Perl modules - video
- Using object oriented modules - video
- Changing @INC - video
- Changing @INC relative path - video
- What is CPAN? - video
- Some interesting CPAN modules - video
- Installing modules from the OS vendor - video
- Installing Perl modules using cpan - video
- search.cpan.org - video
- CPAN Testers and CPAN Ratings - video
- Applications
- Create Linux user account - video
- Diskspace usage: df in Perl - video
- Reporting diskspace usage on a mail server - video
- disk usage: du in Perl - video
- Sending email with attachments - video
- Reading Excel file using Perl - video
- Read fixed width records - using unpack - video
- Processing config file - video
Author: Gabor Szabo
Gabor who runs the Perl Maven site helps companies set up test automation, CI/CD
Continuous Integration and Continuous Deployment and other DevOps related
systems.
Gabor can help refactor your old Perl code-base.
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Contact Gabor if you'd like to hire his service.
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