Chapter 18

Common Tasks

WHAT YOU WILL LEARN IN THIS CHAPTER:

  • Working with CSV Data
  • Reading and writing XML
  • Parsing and manipulating dates
  • Using the built-in debugger
  • Profiling your program

WROX.COM CODE DOWNLOAD FOR THIS CHAPTER

The wrox.com code downloads for this chapter are found at http://www.wrox.com/remtitle.cgi?isbn=1118013847 on the Download Code tab. The code for this chapter is divided into the following major examples:

  • example_18_1_jobs.csv
  • example_18_2_parse_csv.pl
  • example_18_3_write_csv.pl
  • example_18_4_library.xml
  • example_18_5_xml_simple.pl
  • example_18_6_xml_twig.pl
  • example_18_7_xml_writer.pl
  • example_18_8_palindrome.pl
  • example_18_9_factorial.pl
  • listing_18_1_cal.pl

By now you have a good idea of what Perl programming is about, and you should have a solid grasp of the fundamentals. If you’ve followed along carefully and worked through the exercises, you could possibly even qualify for some entry-level developer positions. However, developers constantly get strange tasks thrown at them all the time and must handle them. These last two chapters cover some of those tasks. This chapter handles common tasks that you’ll likely need to perform and the next chapter touches on some advanced topics that mastering can take you to the next level of Perl.

By now, you should know that the CPAN is the first place you look to see if someone else has already handled your task, and you’ll explore a few of the popular CPAN modules to handle various tricky data tasks and also how to ...

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