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Impatient Perl

Impatient Perl

In the mid 1980s, Larry Wall was working as a sys-admin and found that he needed to do a number of common, yet oddball functions over and over again. And he did not like any of the scripting languages that were around at the time, so he invented Perl. Version 1 was released circa 1987. A few changes have occurred between then and now. The current version of Perl has exceeded 5.8.3 and is a highly recommended upgrade.

You write code for a living, and your inherit a legacy program written in Perl. You can program in your native language in your sleep. But you don’t know Perl at all, or you’ve only dabbled with it. Your deadline doesn’t give you enough time to rewrite the legacy program in your native language, but it needs new features. You need to learn Perl, and you need to learn it NOW. ‘Impatient Perl’ was written for you.

This is the 22 February 2013 version of Impatient Perl. This document is for people who either want to learn perl or are already programming in perl and just do not have the patience to scrounge for information to learn and use perl. This document should also find use as a handy desk reference for some of the more common perl related questions.

Impatient Perl

by Greg London (PDF, Online reading) – 151 pages

Impatient Perl by Greg London

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