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Introduction to Perl Science and Technology Support Group High Performance Computing Ohio Supercomputer Center 1224 Kinnear Road Columbus, OH 43212-1163 Introduction to Perl Setting the Stage Functions Data Types Exercises 3 Operators File and Directory Manipulation Exercises 1 External Processes Control Structures References Basic I/O Exercises 4 Exercises 2 Some Other Topics of Interest Regular Expressions For Further Information 2 Introduction to Perl Setting the Stage What is Perl? How to get Perl Basic Concepts 3 Introduction to Perl What is Perl? Practical Extraction and Report Language –Or: Pathologically Eclectic Rubbish Lister Created by Larry Wall A compiled/interpreted programming language Combines popular features of the shell, sed, awk and C Useful for manipulating files, text and processes – Also for sysadmins and CGI Latest official version is 5.005 – Perl4.036 still in widespread use –Use perl -vto see the version Perl is portable Perlis free! 4 Introduction to Perl
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