PERL is the go-to tool for many sysadmins who need something more powerful than sed or awk when writing complex parsing and automation scripts. It has a somewhat high learning curve due to its dense notation. But a recent survey indicates that PERL developers earn 54 per cent more than the average developer so it may still be a worthwhile language to learn. Read on for a demonstration of PERL using the popular strategy game Tic-Tac-Toe.

Source: LXer – Demonstrating PERL with Tic-Tac-Toe, Part 1