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Perl by Example, Fourth Edition
book

Perl by Example, Fourth Edition

by Ellie Quigley
November 2007
Intermediate to advanced content levelIntermediate to advanced
1008 pages
20h 15m
English
Pearson
Content preview from Perl by Example, Fourth Edition

Chapter 18. Interfacing with the System

Interfacing with the System

System Calls

Those migrating from shell (or batch) programming to Perl often expect that a Perl script is like a shell script—just a sequence of UNIX/Linux (or MS-DOS) commands. However, system utilities are not accessed directly in Perl programs as they are in shell scripts. Of course, to be effective there must be some way in which your Perl program can interface with the operating system. Perl has a set of functions, in fact, that specifically interface with the operating system and are directly related to the UNIX/Linux system calls so often found in C programs. Many of these system calls are supported ...

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Publisher Resources

ISBN: 9780132381826Purchase book