Learn PERL with Real Code Examples

Parsing a log file and extracting IP addresses

Generating a CSV from structured text

Automating file backups

Sending emails via SMTP scripts

Scraping web pages with LWP or WWW::Mechanize

Check for syntax errors using `perl -c`

Use `strict` and `warnings` pragmas

Verify module dependencies

Print debug statements to trace execution

Validate regex patterns with test strings

Write unit tests with Test::More

Run tests via `prove` or `make test`

Check edge cases and input validation

Use mocking for external dependencies

Verify CPAN module installation

Distribute scripts as `.pl` files

Package modules for CPAN

Use PerlApp or PAR for standalone executables

Dockerize scripts for consistent environments

Integrate with cron jobs or system services

CPAN and cpanminus for modules

Perl debugger (`perl -d`)

Testing frameworks: Test::Simple, Test::More

Static analysis: Perl::Critic

Build tools: Dist::Zilla, Module::Build

Databases: DBI, DBD::* modules

Web frameworks: Dancer2, Mojolicious

System utilities via system calls

Network protocols via Net::* modules

Data formats: JSON, YAML, XML parsers

Use CPAN modules instead of reinventing the wheel

Debug early with `perl -c`

Document reusable subroutines

Test with small datasets first

Leverage Perl one-liners for quick tasks

Extract specific data from log files

Automate system tasks like backups

Scrape and process web pages

Create reusable Perl modules

Integrate multiple modules into a pipeline